{"id":5268,"date":"2026-04-15T15:01:36","date_gmt":"2026-04-15T07:01:36","guid":{"rendered":"https:\/\/txjpcba.com\/?p=5268"},"modified":"2026-04-15T15:01:36","modified_gmt":"2026-04-15T07:01:36","slug":"what-is-coating-process-validation","status":"publish","type":"post","link":"https:\/\/txjpcba.com\/zh\/what-is-coating-process-validation\/","title":{"rendered":"What is coating process validation?"},"content":{"rendered":"<h2 data-section-id=\"9hs3os\" data-start=\"0\" data-end=\"37\">Coating process validation<\/h2>\n<p data-start=\"39\" data-end=\"368\">Coating process validation is a systematic procedure used to confirm that the <a href=\"https:\/\/txjpcba.com\/zh\/%e4%bf%9d%e5%bd%a2%e5%a1%97%e5%b1%a4\/\"><strong data-start=\"117\" data-end=\"138\">\u4fdd\u5f62\u5857\u5c64<\/strong><\/a> process in <strong data-start=\"150\" data-end=\"166\">PCB \u7d44\u88dd<\/strong> \u548c <strong data-start=\"171\" data-end=\"187\">SMT \u7d44\u88dd<\/strong> consistently produces reliable, high-quality results. It ensures that the coating application, curing, and inspection processes meet predefined requirements and industry standards.<\/p>\n<figure id=\"attachment_5269\" aria-describedby=\"caption-attachment-5269\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-5269\" src=\"https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-is-coating-process-validation.jpg\" alt=\"What is coating process validation\" width=\"800\" height=\"597\" srcset=\"https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-is-coating-process-validation.jpg 800w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-is-coating-process-validation-300x224.jpg 300w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-is-coating-process-validation-768x573.jpg 768w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-is-coating-process-validation-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-5269\" class=\"wp-caption-text\">What is coating process validation<\/figcaption><\/figure>\n<h3 data-section-id=\"1115t3c\" data-start=\"370\" data-end=\"411\">Purpose of coating process validation<\/h3>\n<p data-start=\"413\" data-end=\"550\">The main goal is to verify that the <strong data-start=\"449\" data-end=\"470\">\u4fdd\u5f62\u5857\u5c64<\/strong> process is stable, repeatable, and capable of delivering consistent protection.<\/p>\n<p data-start=\"552\" data-end=\"571\"><strong data-start=\"552\" data-end=\"571\">Key objectives:<\/strong><\/p>\n<ul data-start=\"572\" data-end=\"758\">\n<li data-section-id=\"1k90cws\" data-start=\"572\" data-end=\"621\">Ensure uniform coating thickness and coverage<\/li>\n<li data-section-id=\"1url5oz\" data-start=\"622\" data-end=\"664\">Verify strong adhesion to PCB surfaces<\/li>\n<li data-section-id=\"1tuyyx8\" data-start=\"665\" data-end=\"715\">Confirm proper curing and material performance<\/li>\n<li data-section-id=\"1fg9fjb\" data-start=\"716\" data-end=\"758\">Minimize defects and process variation<\/li>\n<\/ul>\n<p data-start=\"760\" data-end=\"901\">Validation is especially important in high-reliability <strong data-start=\"815\" data-end=\"831\">PCB \u7d44\u88dd<\/strong> applications such as automotive, medical, and industrial electronics.<\/p>\n<h3 data-section-id=\"iwf8\" data-start=\"903\" data-end=\"931\">Key stages of validation<\/h3>\n<p data-start=\"933\" data-end=\"957\"><strong data-start=\"933\" data-end=\"955\">Process definition<\/strong><\/p>\n<ul data-start=\"958\" data-end=\"1084\">\n<li data-section-id=\"1r8jpws\" data-start=\"958\" data-end=\"1007\">Define coating method (spray, dip, selective)<\/li>\n<li data-section-id=\"1u75cw3\" data-start=\"1008\" data-end=\"1050\">Select coating material and parameters<\/li>\n<li data-section-id=\"19w94kt\" data-start=\"1051\" data-end=\"1084\">Establish acceptance criteria<\/li>\n<\/ul>\n<p data-start=\"1086\" data-end=\"1123\"><strong data-start=\"1086\" data-end=\"1121\">Installation Qualification (IQ)<\/strong><\/p>\n<ul data-start=\"1124\" data-end=\"1220\">\n<li data-section-id=\"19sp5es\" data-start=\"1124\" data-end=\"1167\">Verify equipment is installed correctly<\/li>\n<li data-section-id=\"bdwrfo\" data-start=\"1168\" data-end=\"1220\">Ensure machines meet manufacturer specifications<\/li>\n<\/ul>\n<p data-start=\"1222\" data-end=\"1258\"><strong data-start=\"1222\" data-end=\"1256\">Operational Qualification (OQ)<\/strong><\/p>\n<ul data-start=\"1259\" data-end=\"1357\">\n<li data-section-id=\"1sur1kr\" data-start=\"1259\" data-end=\"1315\">Test process parameters (speed, pressure, viscosity)<\/li>\n<li data-section-id=\"51g3w3\" data-start=\"1316\" data-end=\"1357\">Identify optimal operating conditions<\/li>\n<\/ul>\n<p data-start=\"1359\" data-end=\"1395\"><strong data-start=\"1359\" data-end=\"1393\">Performance Qualification (PQ)<\/strong><\/p>\n<ul data-start=\"1396\" data-end=\"1499\">\n<li data-section-id=\"y4g8q4\" data-start=\"1396\" data-end=\"1446\">Run production samples under normal conditions<\/li>\n<li data-section-id=\"13ygboj\" data-start=\"1447\" data-end=\"1499\">Confirm consistent quality over multiple batches<\/li>\n<\/ul>\n<p data-start=\"1501\" data-end=\"1574\">These stages are widely used in controlled <a href=\"https:\/\/txjpcba.com\/zh\/smt-%e7%b5%84%e8%a3%9d%e6%9c%8d%e5%8b%99\/\"><strong data-start=\"1544\" data-end=\"1560\">SMT \u7d44\u88dd<\/strong><\/a> \u74b0\u5883\u3002.<\/p>\n<h3 data-section-id=\"1qzpoyz\" data-start=\"1576\" data-end=\"1619\">Parameters validated in coating process<\/h3>\n<p data-start=\"1621\" data-end=\"1679\">During validation, several critical factors are evaluated:<\/p>\n<ul data-start=\"1681\" data-end=\"1858\">\n<li data-section-id=\"1aqgang\" data-start=\"1681\" data-end=\"1717\">Coating thickness and uniformity<\/li>\n<li data-section-id=\"ayxwys\" data-start=\"1718\" data-end=\"1751\">Coverage and masking accuracy<\/li>\n<li data-section-id=\"dpl44e\" data-start=\"1752\" data-end=\"1773\">Adhesion strength<\/li>\n<li data-section-id=\"dmyfku\" data-start=\"1774\" data-end=\"1805\">Curing time and temperature<\/li>\n<li data-section-id=\"1t0a27j\" data-start=\"1806\" data-end=\"1858\">Environmental conditions (humidity, cleanliness)<\/li>\n<\/ul>\n<p data-start=\"1860\" data-end=\"1947\">All parameters must remain stable to ensure reliable <strong data-start=\"1913\" data-end=\"1934\">\u4fdd\u5f62\u5857\u5c64<\/strong> performance.<\/p>\n<h3 data-section-id=\"1fecj7f\" data-start=\"1949\" data-end=\"1973\">Testing methods used<\/h3>\n<p data-start=\"1975\" data-end=\"2032\">Validation includes multiple inspection and test methods:<\/p>\n<ul data-start=\"2034\" data-end=\"2208\">\n<li data-section-id=\"1opeb2i\" data-start=\"2034\" data-end=\"2062\">Visual and UV inspection<\/li>\n<li data-section-id=\"14n9fpw\" data-start=\"2063\" data-end=\"2088\">Thickness measurement<\/li>\n<li data-section-id=\"13wdhvj\" data-start=\"2089\" data-end=\"2128\">Adhesion testing (cross-hatch test)<\/li>\n<li data-section-id=\"16b7axu\" data-start=\"2129\" data-end=\"2175\">Electrical testing (insulation resistance)<\/li>\n<li data-section-id=\"1i2cbli\" data-start=\"2176\" data-end=\"2208\">Environmental stress testing<\/li>\n<\/ul>\n<p data-start=\"2210\" data-end=\"2285\">These tests confirm the robustness of the <a href=\"https:\/\/txjpcba.com\/zh\/pcb-%e8%a3%9d%e9%85%8d\/\"><strong data-start=\"2252\" data-end=\"2268\">PCB \u7d44\u88dd<\/strong><\/a> coating process.<\/p>\n<h3 data-section-id=\"1h7n49k\" data-start=\"2287\" data-end=\"2316\">Documentation and control<\/h3>\n<p data-start=\"2318\" data-end=\"2367\">Proper documentation is essential for validation:<\/p>\n<ul data-start=\"2369\" data-end=\"2501\">\n<li data-section-id=\"jb7rkn\" data-start=\"2369\" data-end=\"2404\">Process parameters and settings<\/li>\n<li data-section-id=\"37czo5\" data-start=\"2405\" data-end=\"2445\">Test results and acceptance criteria<\/li>\n<li data-section-id=\"1pdzzcm\" data-start=\"2446\" data-end=\"2476\">Work instructions and SOPs<\/li>\n<li data-section-id=\"muedat\" data-start=\"2477\" data-end=\"2501\">Traceability records<\/li>\n<\/ul>\n<p data-start=\"2503\" data-end=\"2576\">This ensures repeatability and compliance in <strong data-start=\"2548\" data-end=\"2564\">SMT \u7d44\u88dd<\/strong> \u751f\u7522\u3002.<\/p>\n<h3 data-section-id=\"1r36lbf\" data-start=\"2578\" data-end=\"2612\">Benefits of process validation<\/h3>\n<ul data-start=\"2614\" data-end=\"2789\">\n<li data-section-id=\"8rxd59\" data-start=\"2614\" data-end=\"2646\">Improved product reliability<\/li>\n<li data-section-id=\"1e2aq5z\" data-start=\"2647\" data-end=\"2677\">Reduced defects and rework<\/li>\n<li data-section-id=\"1fy3vbw\" data-start=\"2678\" data-end=\"2708\">Consistent coating quality<\/li>\n<li data-section-id=\"q8us7o\" data-start=\"2709\" data-end=\"2755\">Compliance with IPC and industry standards<\/li>\n<li data-section-id=\"1flhnxk\" data-start=\"2756\" data-end=\"2789\">Increased customer confidence<\/li>\n<\/ul>\n<h3 data-section-id=\"8ep03t\" data-start=\"2791\" data-end=\"2811\">\u6700\u5f8c\u7d50\u8ad6<\/h3>\n<p data-start=\"2813\" data-end=\"3094\">Coating process validation is a crucial quality assurance step in <strong data-start=\"2879\" data-end=\"2895\">PCB \u7d44\u88dd<\/strong> \u548c <strong data-start=\"2900\" data-end=\"2916\">SMT \u7d44\u88dd<\/strong>. By verifying that the <strong data-start=\"2940\" data-end=\"2961\">\u4fdd\u5f62\u5857\u5c64<\/strong> process is controlled, stable, and repeatable, manufacturers can ensure long-term protection and reliability of electronic products.<\/p>\n<div style=\"background: #f8f8f8; border: 1px solid #e5e5e5; padding: 25px; margin-top: 30px; border-radius: 6px;\">\n<div style=\"text-align: center;\">\n<h3 style=\"margin-bottom: 10px; font-size: 22px;\">\u53d6\u5f97\u4fdd\u5f62\u5857\u5c64\u5831\u50f9<\/h3>\n<p style=\"font-size: 15px; color: #555; margin-bottom: 15px;\">\u5c0d PCB \u7684\u4fdd\u5f62\u5857\u5c64\u6709\u7591\u554f\uff1f\u6211\u5011\u7684\u5de5\u7a0b\u5e2b\u5df2\u6e96\u5099\u597d\u63d0\u4f9b\u5354\u52a9\u3002.<br \/>\n\u5c07\u60a8\u7684\u9700\u6c42\u50b3\u9001\u7d66\u6211\u5011\uff0c\u4e26\u7372\u5f97\u6211\u5011\u5de5\u7a0b\u5718\u968a\u7684\u5feb\u901f\u56de\u61c9\u3002.<\/p>\n<p style=\"font-size: 14px; color: #333; margin-bottom: 20px;\">24 \u5c0f\u6642\u56de\u61c9 \u2714 \u5de5\u7a0b\u652f\u63f4 \u2714 \u5c0f\u578b\u8207\u5927\u91cf\u751f\u7522<\/p>\n<\/div>\n<div style=\"text-align: left;\"><style id=\"wpforms-css-vars-2237\">\n\t\t\t\t#wpforms-2237 {\n\t\t\t\t--wpforms-field-size-input-height: 43px;\n--wpforms-field-size-input-spacing: 15px;\n--wpforms-field-size-font-size: 16px;\n--wpforms-field-size-line-height: 19px;\n--wpforms-field-size-padding-h: 14px;\n--wpforms-field-size-checkbox-size: 16px;\n--wpforms-field-size-sublabel-spacing: 5px;\n--wpforms-field-size-icon-size: 1;\n--wpforms-label-size-font-size: 16px;\n--wpforms-label-size-line-height: 19px;\n--wpforms-label-size-sublabel-font-size: 14px;\n--wpforms-label-size-sublabel-line-height: 17px;\n--wpforms-button-size-font-size: 17px;\n--wpforms-button-size-height: 41px;\n--wpforms-button-size-padding-h: 15px;\n--wpforms-button-size-margin-top: 10px;\n--wpforms-container-shadow-size-box-shadow: none;\n\t\t\t}\n\t\t\t<\/style><div class=\"wpforms-container wpforms-container-full wpforms-render-modern\" id=\"wpforms-2237\"><form id=\"wpforms-form-2237\" class=\"wpforms-validate wpforms-form wpforms-ajax-form\" data-formid=\"2237\" method=\"post\" enctype=\"multipart\/form-data\" action=\"\/zh\/wp-json\/wp\/v2\/posts\/5268?wpforms_form_id=2237\" data-token=\"47794fe5061ff8bf306df2be65ba7e0f\" data-token-time=\"1776379423\" data-trp-original-action=\"\/zh\/wp-json\/wp\/v2\/posts\/5268?wpforms_form_id=2237\"><noscript class=\"wpforms-error-noscript\">Please enable JavaScript in your browser to complete this form.<\/noscript><div id=\"wpforms-error-noscript\" style=\"display: none;\">Please enable JavaScript in your browser to complete this form.<\/div><div class=\"wpforms-field-container\">\t\t<div id=\"wpforms-2237-field_3-container\"\n\t\t\tclass=\"wpforms-field wpforms-field-text\"\n\t\t\tdata-field-type=\"text\"\n\t\t\tdata-field-id=\"3\"\n\t\t\t>\n\t\t\t<label class=\"wpforms-field-label\" for=\"wpforms-2237-field_3\" >Preferred Email WhatsAPP<\/label>\n\t\t\t<input type=\"text\" id=\"wpforms-2237-field_3\" class=\"wpforms-field-medium\" name=\"wpforms[fields][3]\" >\n\t\t<\/div>\n\t\t<div id=\"wpforms-2237-field_12-container\" class=\"wpforms-field wpforms-field-layout\" data-field-type=\"layout\" data-field-id=\"12\"><div class=\"wpforms-field-layout-rows wpforms-field-large\"><div class=\"wpforms-layout-row\"><div class=\"wpforms-layout-column wpforms-layout-column-50\"><div id=\"wpforms-2237-field_0-container\" class=\"wpforms-field wpforms-field-name\" data-field-type=\"name\" data-field-id=\"0\"><label class=\"wpforms-field-label\" for=\"wpforms-2237-field_0\">\u540d\u7a31 <span class=\"wpforms-required-label\" aria-hidden=\"true\">*<\/span><\/label><input type=\"text\" id=\"wpforms-2237-field_0\" class=\"wpforms-field-medium wpforms-field-required\" name=\"wpforms[fields][0]\" aria-errormessage=\"wpforms-2237-field_0-error\" required><\/div><\/div><div class=\"wpforms-layout-column wpforms-layout-column-50\"><div id=\"wpforms-2237-field_1-container\" class=\"wpforms-field wpforms-field-email\" data-field-type=\"email\" data-field-id=\"1\"><label class=\"wpforms-field-label\" for=\"wpforms-2237-field_1\">\u96fb\u5b50\u90f5\u4ef6 <span class=\"wpforms-required-label\" aria-hidden=\"true\">*<\/span><\/label><input type=\"email\" id=\"wpforms-2237-field_1\" class=\"wpforms-field-medium wpforms-field-required\" name=\"wpforms[fields][1]\" spellcheck=\"false\" aria-errormessage=\"wpforms-2237-field_1-error\" required><\/div><\/div><\/div><\/div><\/div><div id=\"wpforms-2237-field_11-container\" class=\"wpforms-field wpforms-field-text\" data-field-type=\"text\" data-field-id=\"11\"><label class=\"wpforms-field-label\" for=\"wpforms-2237-field_11\">WhatsAPP<\/label><input type=\"text\" id=\"wpforms-2237-field_11\" class=\"wpforms-field-medium\" name=\"wpforms[fields][11]\" aria-errormessage=\"wpforms-2237-field_11-error\" ><\/div><div id=\"wpforms-2237-field_10-container\" class=\"wpforms-field wpforms-field-radio wpforms-list-3-columns\" data-field-type=\"radio\" data-field-id=\"10\"><fieldset><legend class=\"wpforms-field-label\">\u9996\u9078\u6750\u6599<\/legend><ul id=\"wpforms-2237-field_10\"><li class=\"choice-1 depth-1\"><input type=\"radio\" id=\"wpforms-2237-field_10_1\" name=\"wpforms[fields][10]\" value=\"Acrylic (AR)\" aria-errormessage=\"wpforms-2237-field_10_1-error\"  ><label class=\"wpforms-field-label-inline\" for=\"wpforms-2237-field_10_1\">\u58d3\u514b\u529b (AR)<\/label><\/li><li class=\"choice-2 depth-1\"><input type=\"radio\" id=\"wpforms-2237-field_10_2\" name=\"wpforms[fields][10]\" value=\"Silicone (SR)\" aria-errormessage=\"wpforms-2237-field_10_2-error\"  ><label class=\"wpforms-field-label-inline\" for=\"wpforms-2237-field_10_2\">\u77fd\u81a0 (SR)<\/label><\/li><li class=\"choice-3 depth-1\"><input type=\"radio\" id=\"wpforms-2237-field_10_3\" name=\"wpforms[fields][10]\" value=\"Polyurethane (UR)\" aria-errormessage=\"wpforms-2237-field_10_3-error\"  ><label class=\"wpforms-field-label-inline\" for=\"wpforms-2237-field_10_3\">\u805a\u6c28\u916f (UR)<\/label><\/li><li class=\"choice-5 depth-1\"><input type=\"radio\" id=\"wpforms-2237-field_10_5\" name=\"wpforms[fields][10]\" value=\"UV Curable - UV\" aria-errormessage=\"wpforms-2237-field_10_5-error\"  ><label class=\"wpforms-field-label-inline\" for=\"wpforms-2237-field_10_5\">\u7d2b\u5916\u7dda\u53ef\u56fa\u5316 - UV<\/label><\/li><li class=\"choice-4 depth-1\"><input type=\"radio\" id=\"wpforms-2237-field_10_4\" name=\"wpforms[fields][10]\" value=\"I&#039;m not sure \/ Need advice\" aria-errormessage=\"wpforms-2237-field_10_4-error\"  ><label class=\"wpforms-field-label-inline\" for=\"wpforms-2237-field_10_4\">\u6211\u4e0d\u78ba\u5b9a \/ \u9700\u8981\u5efa\u8b70<\/label><\/li><\/ul><\/fieldset><\/div><div id=\"wpforms-2237-field_9-container\" class=\"wpforms-field wpforms-field-file-upload\" data-field-type=\"file-upload\" data-field-id=\"9\"><label class=\"wpforms-field-label\" for=\"wpforms-2237-field_9\">\u6a94\u6848\u4e0a\u50b3<\/label><div\n\t\tclass=\"wpforms-uploader\"\n\t\tdata-field-id=\"9\"\n\t\tdata-form-id=\"2237\"\n\t\tdata-input-name=\"wpforms_2237_9\"\n\t\tdata-extensions=\"zip,rar,7z,pdf,xls,xlsx,csv,jpg,gif,png,txt,docx,tar\"\n\t\tdata-max-size=\"20971520\"\n\t\tdata-max-file-number=\"8\"\n\t\tdata-post-max-size=\"268435456\"\n\t\tdata-max-parallel-uploads=\"4\"\n\t\tdata-parallel-uploads=\"true\"\n\t\tdata-file-chunk-size=\"2097152\">\n\t<div class=\"dz-message\">\n\t\t<svg  viewbox=\"0 0 640 640\" focusable=\"false\" data-icon=\"inbox\" width=\"50px\" height=\"50px\" fill=\"currentColor\" aria-hidden=\"true\">\n\t\t\t<path d=\"M352 173.3L352 384C352 401.7 337.7 416 320 416C302.3 416 288 401.7 288 384L288 173.3L246.6 214.7C234.1 227.2 213.8 227.2 201.3 214.7C188.8 202.2 188.8 181.9 201.3 169.4L297.3 73.4C309.8 60.9 330.1 60.9 342.6 73.4L438.6 169.4C451.1 181.9 451.1 202.2 438.6 214.7C426.1 227.2 405.8 227.2 393.3 214.7L352 173.3zM320 464C364.2 464 400 428.2 400 384L480 384C515.3 384 544 412.7 544 448L544 480C544 515.3 515.3 544 480 544L160 544C124.7 544 96 515.3 96 480L96 448C96 412.7 124.7 384 160 384L240 384C240 428.2 275.8 464 320 464zM464 488C477.3 488 488 477.3 488 464C488 450.7 477.3 440 464 440C450.7 440 440 450.7 440 464C440 477.3 450.7 488 464 488z\"\/>\n\t\t<\/svg>\n\n\t\t<span class=\"modern-title\">\n\t\t\t\t\t\t\tDrag &amp; Drop Files, \t\t\t\t<span>Choose Files to Upload<\/span>\n\t\t\t\t\t<\/span>\n\n\t\t\t\t\t<span class=\"modern-hint\">You can upload up to 8 files.<\/span>\n\t\t\t<\/div>\n<\/div>\n\n<input\n\t\ttype=\"text\"\n\t\tautocomplete=\"off\"\n\t\treadonly\n\t\tclass=\"dropzone-input\"\n\t\tstyle=\"position:absolute!important;clip:rect(0,0,0,0)!important;height:1px!important;width:1px!important;border:0!important;overflow:hidden!important;padding:0!important;margin:0!important;\"\n\t\tid=\"wpforms-2237-field_9\"\n\t\tname=\"wpforms_2237_9\" \t\tvalue=\"\">\n<div id=\"wpforms-2237-field_9-description\" class=\"wpforms-field-description\">\u8acb\u5c07\u6240\u6709 Gerber \u6a94\u6848\u3001Drill \u6a94\u6848\u548c BOM \u58d3\u7e2e\u70ba\u55ae\u4e00\u7684 .ZIP \u6216 .RAR \u6a94\u6848\uff0c\u4ee5\u52a0\u5feb\u8655\u7406\u901f\u5ea6\u3002.<\/div><\/div><div id=\"wpforms-2237-field_2-container\" class=\"wpforms-field wpforms-field-textarea\" data-field-type=\"textarea\" data-field-id=\"2\"><label class=\"wpforms-field-label\" for=\"wpforms-2237-field_2\">\u8a0a\u606f<\/label><textarea id=\"wpforms-2237-field_2\" class=\"wpforms-field-medium\" name=\"wpforms[fields][2]\" aria-errormessage=\"wpforms-2237-field_2-error\" aria-describedby=\"wpforms-2237-field_2-description\" ><\/textarea><div id=\"wpforms-2237-field_2-description\" class=\"wpforms-field-description\">\"Please list components or areas that must NOT be coated (e.g., connectors, test points).\" If you have specific coating material requirements (e.g., HumiSeal), Please indicate this in the comment box.<\/div><\/div><script>\n\t\t\t\t( function() {\n\t\t\t\t\tconst style = document.createElement( 'style' );\n\t\t\t\t\tstyle.appendChild( document.createTextNode( '#wpforms-2237-field_3-container { position: absolute !important; overflow: hidden !important; display: inline !important; height: 1px !important; width: 1px !important; z-index: -1000 !important; padding: 0 !important; } #wpforms-2237-field_3-container input { visibility: hidden; } #wpforms-conversational-form-page #wpforms-2237-field_3-container label { counter-increment: none; }' ) );\n\t\t\t\t\tdocument.head.appendChild( style );\n\t\t\t\t\tdocument.currentScript?.remove();\n\t\t\t\t} )();\n\t\t\t<\/script><\/div><!-- .wpforms-field-container --><div class=\"wpforms-submit-container\" ><input type=\"hidden\" name=\"wpforms[id]\" value=\"2237\"><input type=\"hidden\" name=\"page_title\" value=\"\"><input type=\"hidden\" name=\"page_url\" value=\"https:\/\/txjpcba.com\/zh\/wp-json\/wp\/v2\/posts\/5268\"><input type=\"hidden\" name=\"url_referer\" value=\"\"><button type=\"submit\" name=\"wpforms[submit]\" id=\"wpforms-submit-2237\" class=\"wpforms-submit\" aria-live=\"assertive\" value=\"wpforms-submit\">\u63d0\u4ea4<\/button><img decoding=\"async\" src=\"https:\/\/txjpcba.com\/wp-content\/plugins\/wpforms\/assets\/images\/submit-spin.svg\" class=\"wpforms-submit-spinner\" style=\"display: none;\" width=\"26\" height=\"26\" alt=\"Loading\"><\/div><input type=\"hidden\" name=\"trp-form-language\" value=\"zh\"\/><\/form><\/div>  <!-- .wpforms-container --><\/div>\n<p style=\"font-size: 13px; color: #888; margin-top: 15px; text-align: center;\">\u6df1\u5733\u5e02\u9a30\u6b23\u6770\u96fb\u5b50\u6709\u9650\u516c\u53f8<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Coating process validation Coating process validation is a systematic procedure used to confirm that the Conformal Coating process in PCB [&hellip;]<\/p>","protected":false},"author":1,"featured_media":5269,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[71,256],"tags":[260,665,667,669,666,277,259,668],"class_list":["post-5268","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faqs","category-conformal-coating","tag-circuit-board-protective-coating","tag-coating-process-validation","tag-conformal-coating-quality-control","tag-electronics-manufacturing-validation","tag-pcb-coating-validation-steps","tag-pcb-epoxy-coating","tag-pcb-protective-coating","tag-smt-coating-process-validation"],"_links":{"self":[{"href":"https:\/\/txjpcba.com\/zh\/wp-json\/wp\/v2\/posts\/5268","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/txjpcba.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/txjpcba.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/txjpcba.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/txjpcba.com\/zh\/wp-json\/wp\/v2\/comments?post=5268"}],"version-history":[{"count":2,"href":"https:\/\/txjpcba.com\/zh\/wp-json\/wp\/v2\/posts\/5268\/revisions"}],"predecessor-version":[{"id":5271,"href":"https:\/\/txjpcba.com\/zh\/wp-json\/wp\/v2\/posts\/5268\/revisions\/5271"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/txjpcba.com\/zh\/wp-json\/wp\/v2\/media\/5269"}],"wp:attachment":[{"href":"https:\/\/txjpcba.com\/zh\/wp-json\/wp\/v2\/media?parent=5268"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/txjpcba.com\/zh\/wp-json\/wp\/v2\/categories?post=5268"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/txjpcba.com\/zh\/wp-json\/wp\/v2\/tags?post=5268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}