{"id":738,"date":"2020-02-04T23:16:28","date_gmt":"2020-02-04T23:16:28","guid":{"rendered":"http:\/\/dwmicrowave.com.cn:90\/?page_id=738"},"modified":"2026-05-13T14:34:52","modified_gmt":"2026-05-13T14:34:52","slug":"highlight","status":"publish","type":"page","link":"https:\/\/dwmicrowave.com.cn\/index.php\/highlight\/","title":{"rendered":"Highlight"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"738\" class=\"elementor elementor-738\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b8801b4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b8801b4\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a555002\" data-id=\"a555002\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8bf676d elementor-widget elementor-widget-menu-anchor\" data-id=\"8bf676d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"highlight_en_process\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bbe0356 elementor-position-left elementor-vertical-align-top elementor-widget elementor-widget-image-box\" data-id=\"bbe0356\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img fetchpriority=\"high\" decoding=\"async\" width=\"256\" height=\"217\" src=\"https:\/\/dwmicrowave.com.cn\/wp-content\/uploads\/2026\/02\/image2-1.jpg\" class=\"attachment-full size-full wp-image-1481\" alt=\"\" \/><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">Self-Developed Customized Process Flow<\/h3><p class=\"elementor-image-box-description\">DWMicrowave currently operates under a Fablite model, equipped with a cleanroom, 50GHz four-port high-performance vector network analyzer and testing equipments, as well as four sets of specialized semiconductor process tools.\n<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-737d030 elementor-widget elementor-widget-text-editor\" data-id=\"737d030\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Standard manufacturing processes for chip-based products are completed at well-known foundries, ensuring reliable mass\u2011production performance. Specialized manufacturing steps and microwave performance testing are carried out in the DWMicrowave\u2019s own cleanroom. These proprietary manufacturing processes are entirely self\u2011developed.<\/p>&nbsp;\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d4bb046 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d4bb046\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b0e8266\" data-id=\"b0e8266\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-24c8a9d elementor-widget-divider--separator-type-pattern elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"24c8a9d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\" style=\"--divider-pattern-url: url(&quot;data:image\/svg+xml,%3Csvg xmlns=&#039;http:\/\/www.w3.org\/2000\/svg&#039; preserveAspectRatio=&#039;none&#039; overflow=&#039;visible&#039; height=&#039;100%&#039; viewBox=&#039;0 0 24 24&#039; fill=&#039;none&#039; stroke=&#039;black&#039; stroke-width=&#039;1&#039; stroke-linecap=&#039;square&#039; stroke-miterlimit=&#039;10&#039;%3E%3Cpath d=&#039;M0,6c6,0,6,13,12,13S18,6,24,6&#039;\/%3E%3C\/svg%3E&quot;);\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ba9678b elementor-widget elementor-widget-menu-anchor\" data-id=\"ba9678b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-menu-anchor\" id=\"highlight_en_nopolymer\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-482cf7b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"482cf7b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-b2bc592\" data-id=\"b2bc592\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-50811e6 elementor-widget elementor-widget-heading\" data-id=\"50811e6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Filter - Manufactured on semiconductor process without polymer<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b87a89 elementor-widget elementor-widget-text-editor\" data-id=\"2b87a89\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Some competing chips contain organic polymers inside, which continuously release trapped gas molecules in airtight environments, particularly in vacuum conditions. The outgassing mechanisms are twofold:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-8c7bdf1\" data-id=\"8c7bdf1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2d81884 elementor-widget elementor-widget-image\" data-id=\"2d81884\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"256\" height=\"156\" src=\"https:\/\/dwmicrowave.com.cn\/wp-content\/uploads\/2026\/02\/nopolyme-1.jpg\" class=\"attachment-large size-large wp-image-1485\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-18a43fc elementor-widget elementor-widget-text-editor\" data-id=\"18a43fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>1) Physical adsorption and outgassing: The polymer surface physically adsorbs gases such as water vapor and oxygen from the air. In a vacuum environment, these gas molecules, bond by weak van der Waals forces, rapidly desorb and are released.<\/p>\n<p>2) Volatilization and decomposition: The numerous additives and residual monomers in the polymer have relatively low molecular weights and high vapor pressures. Under vacuum and thermal stress conditions, they either volatilize directly or decompose into smaller gas molecules, which then escape.<\/p>\n<p>In different applications, the released gas molecules may have multiple adverse effects on system performance:<\/p>\n<ul style=\"list-style-type: square;\">\n<li>For airtight enclosures, such as the sealed cavities formed in T\/R modules through parallel seam welding or laser welding, the gas molecules released by organic polymers cannot escape these enclosed spaces. Many of these gas molecules can damage the chips inside the cavity. For example, for a GaAs MMIC chip, exposure to only 0.5% hydrogen atmosphere can lead to significant device performance degradation after 500 hours.<span style=\"font-size: 8pt;\">[1][2]<\/span><\/li>\n<li>For low-pressure or vacuum environments, such as satellite-borne equipment, the gas contained within organic polymers expands due to the reduced external pressure, generating substantial stress. In severe cases, this stress is likely to damage the chips. For instance, MIL-STD-883, Method 1001 specifies low-pressure test conditions to verify the ability to withstand pressure differentials.&nbsp;<span style=\"font-size: 8pt;\">[3]<\/span><\/li>\n<li>For vacuum-packaged devices, gases released by organic polymers directly reduce the vacuum level, thereby affecting device performance.<\/li>\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0860fe7 elementor-widget elementor-widget-text-editor\" data-id=\"0860fe7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-size: 10pt;\">[1] P. C. Chao, M. Y. Kao, K. Nordheden, and A. W. Swanson, \u201cHEMT Degradation in Hydrogen Gas,\u201d IEEE Electron Device Letters, Vol. 15, pp. 151\u2013153, May 1994.<br \/>[2] P. Schuessler and D. Feliciano-Welpe, \u201cThe Effects of Hydrogen on Device Reliability,\u201d Hybrid Circuit Technology, pp. 19\u201326, January 1991.<br \/>[3] Test Method Standard Microcircuits, MIL-STD-883H, Method 1001, 2010<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d0ddba0 elementor-alert-success elementor-widget elementor-widget-alert\" data-id=\"d0ddba0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"alert.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-alert\" role=\"alert\">\n\n\t\t\t\t\t\t<span class=\"elementor-alert-title\">The DWMicrowave\u2019s wire-bonding filters, manufactured by specialized semiconductor process, are free from organic polymers, completely avoiding the aforementioned out-gassing issues. <\/span>\n\t\t\t\n\t\t\t\t\t\t<span class=\"elementor-alert-description\">For low-pressure or vacuum applications, all filter chips have passed the MIL-STD-883-H test method 1001 barometric-pressure test under Condition F (1.09mmHg) for 2 hours. DWMicrowave has extensive experience in vacuum and hermetic packaging. Should you encounter any issues with our product, please feel free to contact us.<\/span>\n\t\t\t\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a120f1d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a120f1d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-31f1a71\" data-id=\"31f1a71\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Self-Developed Customized Process Flow DWMicrowave curr&hellip; <br \/> <a class=\"button small blue\" href=\"https:\/\/dwmicrowave.com.cn\/index.php\/highlight\/\">\u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-738","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/dwmicrowave.com.cn\/index.php\/wp-json\/wp\/v2\/pages\/738","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dwmicrowave.com.cn\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/dwmicrowave.com.cn\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/dwmicrowave.com.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dwmicrowave.com.cn\/index.php\/wp-json\/wp\/v2\/comments?post=738"}],"version-history":[{"count":19,"href":"https:\/\/dwmicrowave.com.cn\/index.php\/wp-json\/wp\/v2\/pages\/738\/revisions"}],"predecessor-version":[{"id":1898,"href":"https:\/\/dwmicrowave.com.cn\/index.php\/wp-json\/wp\/v2\/pages\/738\/revisions\/1898"}],"wp:attachment":[{"href":"https:\/\/dwmicrowave.com.cn\/index.php\/wp-json\/wp\/v2\/media?parent=738"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}