[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.goshico.cz\/desky-plosnych-spoju-zna-lidstvo-jiz-nekolik-desitek-let\/#Article","mainEntityOfPage":"https:\/\/www.goshico.cz\/desky-plosnych-spoju-zna-lidstvo-jiz-nekolik-desitek-let\/","headline":"Desky plo\u0161n\u00fdch spoj\u016f zn\u00e1 lidstvo ji\u017e n\u011bkolik des\u00edtek let","name":"Desky plo\u0161n\u00fdch spoj\u016f zn\u00e1 lidstvo ji\u017e n\u011bkolik des\u00edtek let","description":"Tento osv\u011bd\u010den\u00fd zp\u016fsob v\u00fdroby elektroniky slou\u017e\u00ed k mont\u00e1\u017ei jednotliv\u00fdch sou\u010d\u00e1stek elektronick\u00fdch obvod\u016f. M\u011bd\u011bn\u00e1 vrstvi\u010dka na desk\u00e1ch se vytvo\u0159\u00ed galvanick\u00fdm pokoven\u00edm a spoje vznikaj\u00ed vylept\u00e1v\u00e1n\u00edm v […]","datePublished":"2018-04-06","dateModified":"2023-04-29","author":{"@type":"Person","@id":"https:\/\/www.goshico.cz\/author\/#Person","name":"","url":"https:\/\/www.goshico.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/670235c08005d2f1b80a3d56a421809661de47ce0289bd1c93d0120f6ef211a4?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/670235c08005d2f1b80a3d56a421809661de47ce0289bd1c93d0120f6ef211a4?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"goshico.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.goshico.cz\/wp-content\/uploads\/img_a314055_w2393_t1524824367.jpg","url":"https:\/\/www.goshico.cz\/wp-content\/uploads\/img_a314055_w2393_t1524824367.jpg","height":0,"width":0},"url":"https:\/\/www.goshico.cz\/desky-plosnych-spoju-zna-lidstvo-jiz-nekolik-desitek-let\/","about":["Zbo\u017e\u00ed"],"wordCount":476,"articleBody":"Tento osv\u011bd\u010den\u00fd zp\u016fsob v\u00fdroby elektroniky slou\u017e\u00ed k mont\u00e1\u017ei jednotliv\u00fdch sou\u010d\u00e1stek elektronick\u00fdch obvod\u016f. M\u011bd\u011bn\u00e1 vrstvi\u010dka na desk\u00e1ch se vytvo\u0159\u00ed galvanick\u00fdm pokoven\u00edm a spoje vznikaj\u00ed vylept\u00e1v\u00e1n\u00edm v chemick\u00e9 l\u00e1zni. Desky mohou b\u00fdt jednovrstv\u00e9, dvouvrstv\u00e9 a v\u00edcevrstv\u00e9 s jednou, nebo s v\u00edce vnit\u0159n\u00edmi vrstvami.Jednovrstv\u00e9 Jsou z\u00e1kladn\u00edm typem plo\u0161n\u00fdch spoj\u016f, kter\u00fd navazuje na p\u016fvodn\u00ed, nejstar\u0161\u00ed technologii, zn\u00e1mou ji\u017e des\u00edtky let. Jedna strana je osazena sou\u010d\u00e1stkami, zat\u00edmco na t\u00e9 druh\u00e9 jsou vytvo\u0159eny samotn\u00e9 spoje \u2013 tzv. vodiv\u00e1 cesta. Tato technika se v sou\u010dasn\u00e9 dob\u011b pou\u017e\u00edv\u00e1 pro jednoduch\u00e9 elektronick\u00e9 obvody.Dvouvrstv\u00e9 Jsou to spoje z obou stran materi\u00e1lu a jsou ur\u010deny pro slo\u017eit\u011bj\u0161\u00ed obvody. Plocha vodiv\u00fdch cest je v podstat\u011b dvojn\u00e1sobn\u00e1. Ob\u011b strany desky jsou vz\u00e1jemn\u011b propojeny r\u016fzn\u00fdm mno\u017estv\u00edm pokoven\u00fdch otvor\u016f.V\u00edcevrstv\u00e9 Jedn\u00e1 se o spoje, kter\u00e9 maj\u00ed uvnit\u0159 nav\u00edc jednu, nebo v\u00edce dal\u0161\u00edch vrstev. V\u0161echny vrstvy (m\u011bd\u011bn\u00e9) jsou vodiv\u00e9, jsou vz\u00e1jemn\u011b slisovan\u00e9, a po\u010det jednotliv\u00fdch vrstev se popisuje v terminologii jako mno\u017estv\u00ed motiv\u016f plo\u0161n\u00fdch spoj\u016f. Oboustrann\u00e9 otvory proch\u00e1z\u00ed celou deskou a mohou b\u00fdt bu\u010f slep\u00e9 (blind vias), nebo tzv. poh\u0159ben\u00e9, umrtven\u00e9 (buried vias). Zat\u00edmco slep\u00e9 otvory propojuj\u00ed jednu z vn\u011bj\u0161\u00edch vrstvi\u010dek s vrstvi\u010dkami vnit\u0159n\u00edmi, poh\u0159ben\u00e9 otvory propojuj\u00ed pouze vnit\u0159n\u00ed vrstvy mezi sebou.Kovov\u00e1 j\u00e1dra ve spoj\u00edch U n\u011bkter\u00fdch spoj\u016f, zvl\u00e1\u0161t\u011b u elektroniky, jej\u00ed\u017e v\u00fdkon vy\u017eaduje chlazen\u00ed a rozpt\u00fdlen\u00ed tepla vznikl\u00e9ho pr\u016fchodem elektrick\u00e9ho proudu, se nasazuje kovov\u00e9 j\u00e1dro. Zpravidla jde o slitiny m\u011bdi nebo hlin\u00edku a c\u00edlem je odv\u00e1d\u011bt od jednotliv\u00fdch komponent\u016f p\u0159ebyte\u010dn\u00e9 teplo. T\u011bmto technologi\u00edm se \u0159\u00edk\u00e1 Metal core (MCPCB). Vodiv\u00e9 dielektrikum uvnit\u0159 desek vytv\u00e1\u0159\u00ed mezi nosnou \u010d\u00e1st\u00ed a sou\u010d\u00e1stkami \u00fa\u010dinn\u00fd tepeln\u00fd most. Kovov\u00e1 j\u00e1dra nahrazuj\u00ed b\u011b\u017en\u00e9 materi\u00e1ly, jako jsou CEM1, nebo FR4.\u0160ablona povrchov\u00e9 technologie p\u00e1jen\u00ed sou\u010d\u00e1stek SMT Tyto \u0161ablony maj\u00ed za c\u00edl zefektivnit proces p\u00e1jen\u00ed a zlep\u0161it konzistenci spoj\u016f, jak\u00fdch nelze doc\u00edlit ru\u010dn\u00edm p\u00e1jen\u00edm. Pomoc\u00ed \u0161ablony se nan\u00e1\u0161\u00ed p\u00e1jec\u00ed pasta na po\u017eadovan\u00e9 plo\u0161ky spoj\u016f. Technologie spo\u010d\u00edv\u00e1 v lept\u00e1n\u00ed otvor\u016f pro jednotliv\u00e9 sou\u010d\u00e1stky do f\u00f3lie z fosforov\u00e9ho bronzu, nebo z alpaky. Na z\u00e1v\u011br se pomoc\u00ed s\u00edtotisku \u0161ablona p\u0159esn\u011b nastav\u00ed na motivy desek a st\u011bra\u010d n\u00e1sledn\u011b nan\u00e1\u0161\u00ed p\u00e1jec\u00ed pastu p\u0159es otvory v \u0161ablon\u011b. Po odtr\u017een\u00ed \u0161ablony od desky z\u016fst\u00e1v\u00e1 pasta pouze v m\u00edst\u011b p\u0159ipraven\u00e9m pro aplikaci sou\u010d\u00e1stek.                                                                                                                                                                                                                                                                                                                                                                                        4.4\/5 - (5 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Desky plo\u0161n\u00fdch spoj\u016f zn\u00e1 lidstvo ji\u017e n\u011bkolik des\u00edtek let","item":"https:\/\/www.goshico.cz\/desky-plosnych-spoju-zna-lidstvo-jiz-nekolik-desitek-let\/#breadcrumbitem"}]}]