{"id":63396,"date":"2022-06-18T10:31:14","date_gmt":"2022-06-18T15:31:14","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/what-is-the-process-of-making-electrical-contact-on-the-piezoceramicside-attached-downwards\/"},"modified":"2025-01-27T06:17:38","modified_gmt":"2025-01-27T11:17:38","slug":"what-is-the-process-of-making-electrical-contact-on-the-piezoceramicside-attached-downwards","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/cs\/what-is-the-process-of-making-electrical-contact-on-the-piezoceramicside-attached-downwards\/","title":{"rendered":"Kontaktov\u00e1n\u00ed piezoelektrick\u00fdch element\u016f zespodu"},"content":{"rendered":"<p>Piezoelektrick\u00e9 prvky, s jejich piezoelektrick\u00fdm efektem umo\u017e\u0148uj\u00edc\u00edm p\u0159em\u011bnu mechanick\u00e9 energie na elektrickou a naopak, nach\u00e1zej\u00ed \u0161irok\u00e9 uplatn\u011bn\u00ed v r\u016fzn\u00fdch oblastech, od senzor\u016f a\u017e po ak\u010dn\u00ed \u010dleny.  V mnoha aplikac\u00edch je kl\u00ed\u010dov\u00e9 spolehliv\u00e9 a efektivn\u00ed vytvo\u0159en\u00ed elektrick\u00e9ho kontaktu s piezoelektrick\u00fdm prvkem, zejm\u00e9na v situac\u00edch, kdy je piezoelektrick\u00e1 desti\u010dka upevn\u011bna dol\u016f.  Tento \u010dl\u00e1nek se zam\u011b\u0159uje na procesy zaji\u0161\u0165uj\u00edc\u00ed spolehliv\u00fd elektrick\u00fd kontakt s piezoelektrick\u00fdm prvkem, kter\u00fd je namontov\u00e1n tak, \u017ee jeho aktivn\u00ed plocha sm\u011b\u0159uje dol\u016f.<\/p>\n<h3>P\u0159\u00edprava povrchu piezoelektrick\u00e9 desti\u010dky<\/h3>\n<p>P\u0159ed samotn\u00fdm vytvo\u0159en\u00edm elektrick\u00e9ho kontaktu je nezbytn\u00e9 d\u016fkladn\u011b p\u0159ipravit povrch piezoelektrick\u00e9 desti\u010dky.  To zahrnuje odstran\u011bn\u00ed v\u0161ech ne\u010distot, mastnot a oxida\u010dn\u00edch vrstev, kter\u00e9 by mohly zhor\u0161it kvalitu kontaktu a v\u00e9st k vysok\u00e9mu p\u0159echodov\u00e9mu odporu.  \u010ci\u0161t\u011bn\u00ed se prov\u00e1d\u00ed obvykle pomoc\u00ed vhodn\u00fdch rozpou\u0161t\u011bdel, jako je izopropylalkohol, a n\u00e1sledn\u011b se povrch m\u016f\u017ee vysu\u0161it stla\u010den\u00fdm vzduchem.  V n\u011bkter\u00fdch p\u0159\u00edpadech je vhodn\u00e9 pou\u017e\u00edt ultrazvukovou \u010distic\u00ed l\u00e1ze\u0148 pro dosa\u017een\u00ed maxim\u00e1ln\u00ed \u010distoty.  Pro n\u00e1ro\u010dn\u011bj\u0161\u00ed aplikace se m\u016f\u017ee uplatnit i plazmov\u00e9 \u010di\u0161t\u011bn\u00ed, kter\u00e9 efektivn\u011b odstra\u0148uje i mikroskopick\u00e9 ne\u010distoty.<\/p>\n<h3>Metody vytv\u00e1\u0159en\u00ed elektrick\u00e9ho kontaktu<\/h3>\n<p>Existuje n\u011bkolik metod pro vytvo\u0159en\u00ed elektrick\u00e9ho kontaktu s piezoelektrickou desti\u010dkou upevn\u011bnou dol\u016f.  Mezi nej\u010dast\u011bj\u0161\u00ed pat\u0159\u00ed:<\/p>\n<ul>\n<li>\n<p><strong>Vodiv\u00e9 lepidlo:<\/strong> Tato metoda je vhodn\u00e1 pro aplikace s ni\u017e\u0161\u00edmi n\u00e1roky na mechanickou odolnost a frekvenci.  Vodiv\u00e9 lepidlo se nanese na elektrody piezoelektrick\u00e9 desti\u010dky a n\u00e1sledn\u011b se p\u0159itla\u010d\u00ed k vodiv\u00e9 podlo\u017ece.  V\u00fdb\u011br lepidla z\u00e1vis\u00ed na po\u017eadovan\u00fdch elektrick\u00fdch a mechanick\u00fdch vlastnostech.<\/p>\n<\/li>\n<li>\n<p><strong>P\u00e1jen\u00ed:<\/strong>  Pro aplikace s vy\u0161\u0161\u00edmi n\u00e1roky na mechanickou odolnost a teplotn\u00ed stabilitu je vhodn\u00e9 p\u00e1jen\u00ed.  Elektrody piezoelektrick\u00e9 desti\u010dky se p\u0159ip\u00e1j\u00ed k vodiv\u00fdm kontakt\u016fm na podlo\u017ece.  Je d\u016fle\u017eit\u00e9 zvolit p\u00e1jku s n\u00edzk\u00fdm teplotn\u00edm bodem, aby se p\u0159ede\u0161lo po\u0161kozen\u00ed piezoelektrick\u00e9ho prvku.<\/p>\n<\/li>\n<li>\n<p><strong>Kontakty s pru\u017einov\u00fdm tlakem:<\/strong>  Tato metoda zaji\u0161\u0165uje spolehliv\u00fd kontakt a odolnost v\u016f\u010di vibrac\u00edm.  Pru\u017einov\u00e9 kontakty se p\u0159itla\u010d\u00ed k elektrod\u00e1m piezoelektrick\u00e9 desti\u010dky, \u010d\u00edm\u017e se vytvo\u0159\u00ed mechanicky stabiln\u00ed a elektricky vodiv\u00e9 spojen\u00ed.<\/p>\n<\/li>\n<\/ul>\n<h3>Tabulka srovn\u00e1n\u00ed metod vytv\u00e1\u0159en\u00ed elektrick\u00e9ho kontaktu<\/h3>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Metoda<\/th>\n<th>Mechanick\u00e1 odolnost<\/th>\n<th>Teplotn\u00ed stabilita<\/th>\n<th>Slo\u017eitost<\/th>\n<th>Cena<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Vodiv\u00e9 lepidlo<\/td>\n<td>N\u00edzk\u00e1<\/td>\n<td>N\u00edzk\u00e1<\/td>\n<td>N\u00edzk\u00e1<\/td>\n<td>N\u00edzk\u00e1<\/td>\n<\/tr>\n<tr>\n<td>P\u00e1jen\u00ed<\/td>\n<td>Vysok\u00e1<\/td>\n<td>Vysok\u00e1<\/td>\n<td>St\u0159edn\u00ed<\/td>\n<td>St\u0159edn\u00ed<\/td>\n<\/tr>\n<tr>\n<td>Kontakty s pru\u017einov\u00fdm tlakem<\/td>\n<td>Vysok\u00e1<\/td>\n<td>St\u0159edn\u00ed<\/td>\n<td>Vysok\u00e1<\/td>\n<td>Vysok\u00e1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>D\u016fle\u017eit\u00e9 aspekty pro spolehliv\u00fd kontakt<\/h3>\n<p>Pro dosa\u017een\u00ed spolehliv\u00e9ho elektrick\u00e9ho kontaktu je d\u016fle\u017eit\u00e9 zv\u00e1\u017eit n\u011bkolik faktor\u016f:<\/p>\n<ul>\n<li><strong>Tlou\u0161\u0165ka vodiv\u00e9 vrstvy:<\/strong> P\u0159\u00edli\u0161 tenk\u00e1 vrstva m\u016f\u017ee v\u00e9st k vysok\u00e9mu p\u0159echodov\u00e9mu odporu, zat\u00edmco p\u0159\u00edli\u0161 siln\u00e1 vrstva m\u016f\u017ee zhor\u0161it mechanickou stabilitu.<\/li>\n<li><strong>Kvalita povrchu:<\/strong> D\u016fkladn\u00e9 o\u010di\u0161t\u011bn\u00ed povrchu je nezbytn\u00e9 pro minimalizaci p\u0159echodov\u00e9ho odporu.<\/li>\n<li><strong>Tlak kontaktu:<\/strong>  Dostate\u010dn\u00fd tlak je d\u016fle\u017eit\u00fd pro zaji\u0161t\u011bn\u00ed spolehliv\u00e9ho elektrick\u00e9ho kontaktu.<\/li>\n<li><strong>Materi\u00e1lov\u00e1 kompatibilita:<\/strong> V\u0161echny materi\u00e1ly pou\u017eit\u00e9 p\u0159i vytv\u00e1\u0159en\u00ed elektrick\u00e9ho kontaktu mus\u00ed b\u00fdt kompatibiln\u00ed s piezoelektrick\u00fdm prvkem a okoln\u00edm prost\u0159ed\u00edm.<\/li>\n<\/ul>\n<p>Z\u00e1v\u011brem lze \u0159\u00edci, \u017ee vytvo\u0159en\u00ed spolehliv\u00e9ho elektrick\u00e9ho kontaktu s piezoelektrickou desti\u010dkou upevn\u011bnou dol\u016f vy\u017eaduje pe\u010dlivou p\u0159\u00edpravu povrchu a v\u00fdb\u011br vhodn\u00e9 metody.  Volba optim\u00e1ln\u00ed metody z\u00e1vis\u00ed na specifick\u00fdch po\u017eadavc\u00edch aplikace, jako je mechanick\u00e1 odolnost, teplotn\u00ed stabilita, frekvence a cena.  D\u016fkladn\u00e1 kontrola v\u0161ech aspekt\u016f procesu je kl\u00ed\u010dov\u00e1 pro zaji\u0161t\u011bn\u00ed dlouhodob\u00e9 funk\u010dnosti a spolehlivosti cel\u00e9ho syst\u00e9mu.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Piezoelektrick\u00e9 prvky, s jejich piezoelektrick\u00fdm efektem umo\u017e\u0148uj\u00edc\u00edm p\u0159em\u011bnu mechanick\u00e9 energie na elektrickou a naopak, nach\u00e1zej\u00ed \u0161irok\u00e9 uplatn\u011bn\u00ed v r\u016fzn\u00fdch oblastech, od senzor\u016f a\u017e po ak\u010dn\u00ed \u010dleny. V mnoha aplikac\u00edch je kl\u00ed\u010dov\u00e9 spolehliv\u00e9 a efektivn\u00ed vytvo\u0159en\u00ed elektrick\u00e9ho kontaktu s piezoelektrick\u00fdm prvkem, zejm\u00e9na v situac\u00edch, kdy je piezoelektrick\u00e1 desti\u010dka upevn\u011bna dol\u016f. Tento \u010dl\u00e1nek se zam\u011b\u0159uje na procesy<\/p>\n","protected":false},"author":1,"featured_media":1241,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6415],"tags":[],"class_list":["post-63396","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts\/63396","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/comments?post=63396"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts\/63396\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media\/1241"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media?parent=63396"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/categories?post=63396"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/tags?post=63396"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}