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Kusadziviririka
Kufumurwa kunoreva kuti pasi pekuvhenekerwa kwechiedza che ultraviolet, iyo photoinitiator inotora simba rechiedza uye inoora kuita mahara radicals, uye iwo emahara radicals anobva atanga iyo photopolymerization monomer kuita iyo polymerization uye crosslinking reaction. Kuratidzwa kunowanzo takura ...Verenga zvimwe -
Ndehupi hukama pakati pePCB wiring, kuburikidza negomba uye ikozvino kutakura kugona?
Kubatana kwemagetsi pakati pezvikamu paPCBA kunowanikwa kuburikidza nemhangura foil wiring uye kuburikidza-maburi pane imwe neimwe layer. Kubatana kwemagetsi pakati pezvikamu paPCBA kunowanikwa kuburikidza nemhangura foil wiring uye kuburikidza-maburi pane imwe neimwe layer. Nekuda kwezvakasiyana zvigadzirwa...Verenga zvimwe -
Basa rekusuma yega yega yega yeakawanda-layer PCB redunhu bhodhi
Multilayer circuit boards ine marudzi akawanda ekushanda layers, akadai se: protective layer, silk screen layer, sign layer, internal layer, etc. Unoziva zvakawanda sei pamusoro pezvikamu izvi? Mabasa emutsetse wega wega akasiyana, ngatitarisei kuti ndeapi mabasa edanho rega rega ...Verenga zvimwe -
Nhanganyaya uye zvakanakira uye kuipa kweceramic PCB board
1. Sei kushandisa ceramic circuit boards Ordinary PCB inowanzogadzirwa nemhangura foil uye substrate bonding, uye substrate zvinhu zvakanyanya girazi fiber (FR-4), phenolic resin (FR-3) nezvimwe zvinhu, adhesive inowanzoita phenolic, epoxy. , etc. Mukuita kwePCB kugadzirisa nekuda kwekushushikana kwekupisa ...Verenga zvimwe -
Infrared + inopisa air reflow soldering
Pakati pe-1990s, pakanga paine maitiro ekuendesa kune infrared + inopisa mhepo yekudziya mukuyerera kwekutengesa muJapan. Inopiswa ne30% infrared rays uye 70% mhepo inopisa semutakuri wekupisa. Iyo infrared inopisa mhepo reflow oven inonyatso kusanganisa zvakanakira infrared reflow uye kumanikidza convection inopisa mweya ...Verenga zvimwe -
Chii chinonzi PCBA processing?
PCBA kugadzirisa chigadzirwa chakapedzwa chePCB isina bhodhi mushure meSMT chigamba, DIP plug-in uye PCBA bvunzo, kuongororwa kwemhando uye maitiro egungano, anonzi PCBA. Bato rinotarisira rinoendesa chirongwa chekugadzirisa kune inyanzvi PCBA yekugadzirisa fekitori, uye yozomirira iyo yapera prod...Verenga zvimwe -
Etching
PCB bhodhi etching process, iyo inoshandisa echinyakare kemikari etching maitiro kukanganisa nzvimbo dzisina kudzivirirwa. Rudzi rwekuchera mugero, nzira inoshanda asi isingashande. Mune etching process, iyo zvakare yakakamurwa kuita yakanaka firimu maitiro uye yakashata firimu maitiro. Iyo yakanaka firimu maitiro ...Verenga zvimwe -
Yakadhindwa Circuit Board Global Market Report 2022
Vatambi vakuru mumusika wakadhindwa webhodhi bhodhi TTM Technologies, Nippon Mektron Ltd, Samsung Electro-Mechanics, Unimicron Technology Corporation, Advanced Circuits, Tripod Technology Corporation, DAEDUCK ELECTRONICS CoLtd., Flex Ltd., Eltek Ltd, uye Sumitomo Electric Industries. . Globa...Verenga zvimwe -
1. DIP package
DIP package (Dual In-line Package), inozivikanwawo sembiri-in-mutsara yekurongedza tekinoroji, inoreva akasanganiswa edunhu machipisi akaiswa mune mbiri-mumutsara fomu. Nhamba yacho kazhinji haipfuuri 100. DIP yakaputirwa CPU chip ine mitsetse miviri yemapini anoda kuiswa muchip socket ine...Verenga zvimwe -
Musiyano Pakati peFR-4 Material uye Rogers Material
1. FR-4 zvinhu zvakachipa kupfuura Rogers zvinhu 2. Rogers zvinhu zvine high frequency zvichienzaniswa FR-4 zvinhu. 3. Df kana kuparara kwezvinhu zveFR-4 zvakakwirira kudarika izvo zveRogers, uye kurasikirwa kwechiratidzo chikuru. 4. Nezve impedance kugadzikana, iyo Dk kukosha kwemhando ...Verenga zvimwe -
Sei uchida kuvhara negoridhe rePCB?
1. Surface yePCB: OSP, HASL, Lead-free HASL, Immersion Tin, ENIG, Immersion Silver, Hard gold plating, Kuisa goridhe pabhodhi rose, chigunwe chegoridhe, ENEPIG... OSP: mutengo wakaderera, kutengeswa kwakanaka, mamiriro ekuchengetedza akaomarara, nguva pfupi, tekinoroji yezvakatipoteredza, welding yakanaka, yakatsetseka… HASL: kazhinji i...Verenga zvimwe -
Organic Antioxidant (OSP)
Nguva dzinoshanda: Zvinofungidzirwa kuti 25% -30% yePCB parizvino inoshandisa maitiro eOSP, uye chikamu chave kukwira (zvingangoita kuti maitiro eOSP ave kupfuura espray tin uye chinzvimbo chekutanga). Iyo OSP maitiro anogona kushandiswa pane yakaderera-tech PCBs kana yepamusoro-tech PCBs, senge-si...Verenga zvimwe
