Akụkọ
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Mkpughepụ
Ngosipụta pụtara na n'okpuru irradiation nke ultraviolet ìhè, photoinitiator na-amịkọrọ ike ọkụ na decomposes n'ime free radicals, na free radicals wee malite photopolymerization monomer na-eme polymerization na crosslinking mmeghachi omume. Ngosipụta na-abụkarị ibu...GỤKWUO -
Gịnị bụ mmekọrịta dị n'etiti PCB wiring, site oghere na ugbu a ibu ikike?
A na-enweta njikọ eletrik n'etiti ihe ndị dị na PCBA site na eriri ọla kọpa na oghere na oyi akwa ọ bụla. A na-enweta njikọ eletrik n'etiti ihe ndị dị na PCBA site na eriri ọla kọpa na oghere na oyi akwa ọ bụla. N'ihi ngwaahịa dị iche iche ...GỤKWUO -
Ọrụ mmeghe nke ọ bụla oyi akwa nke multi-layer PCB sekit osisi
Multilayer sekit mbadamba nwere ọtụtụ ụdị ọrụ n'ígwé, dị ka: nchebe oyi akwa, silk ihuenyo oyi akwa, mgbaàmà oyi akwa, esịtidem oyi akwa, wdg ole ka ị maara banyere ndị a n'ígwé? Ọrụ nke oyi akwa ọ bụla dị iche iche, ka anyị leba anya n'ihe ọrụ nke ọkwa ọ bụla h ...GỤKWUO -
Okwu mmeghe na uru na ọghọm dị na bọọdụ PCB seramiiki
1. Gịnị mere na-eji seramiiki circuit mbadamba Nkịtị PCB na-emekarị mere nke ọla kọpa foil na mkpụrụ bonding, na mkpụrụ ihe onwunwe bụ ukwuu n'ime iko eriri (FR-4), phenolic resin (FR-3) na ihe ndị ọzọ, nrapado na-emekarị phenolic, epoxy , wdg N'ime usoro nhazi PCB n'ihi nrụgide okpomọkụ ...GỤKWUO -
Infrared + ikuku na-ekpo ọkụ reflow soldering
N'etiti 1990s, e nwere omume iji nyefee na infrared + ikpo ọkụ ikuku na reflow soldering na Japan. Ọ na-ekpo ọkụ site na 30% ụzarị infrared na 70% ikuku dị ọkụ dị ka ihe na-ebu ọkụ. The infrared na-ekpo ọkụ ikuku reflow oven nke ọma na-agwakọta uru nke infrared reflow na mmanye convection na-ekpo ọkụ ikuku r ...GỤKWUO -
Kedu ihe bụ nhazi PCBA?
PCBA nhazi bụ a okokụre ngwaahịa PCB iferi osisi mgbe SMT patch, DIP nkwụnye na PCBA ule, àgwà nnyocha na mgbakọ usoro, zoro aka dị ka PCBA. Ndị otu ahụ na-enyefe ọrụ ahụ na-ebuga ọrụ nhazi ahụ n'aka ụlọ ọrụ nhazi PCBA ọkachamara, wee chere maka ngwaahịa emechara ...GỤKWUO -
Etching
Usoro etching bọọdụ PCB, nke na-eji usoro etching kemịkalụ ọdịnala mebie ebe echedoro. Ụdị dị ka igwu ala trenchi, usoro dị irè ma adịghị arụ ọrụ. Na usoro etching, a na-ekewakwa ya na usoro ihe nkiri dị mma na usoro ihe nkiri na-adịghị mma. Usoro ihe nkiri dị mma ...GỤKWUO -
Akuko ahịa ahịa ụwa niile nke 2022
Ndị isi egwuregwu n'ahịa bọọdụ sekit a na-ebipụta bụ TTM Teknụzụ, Nippon Mektron Ltd, Samsung Electro-Mechanics, Unimicron Technology Corporation, Advanced Circuits, Tripod Technology Corporation, DAEDUCK ELECTRONICS Co.Ltd., Flex Ltd., Eltek Ltd, na Sumitomo Electric Industries . Globa...GỤKWUO -
1. ngwugwu DIP
Ngwungwu DIP (Ngwugwu Dual In-line), makwaara dị ka teknụzụ nkwakọ ngwaahịa in-line, na-ezo aka na ibe sekit agbakwunyere nke etinyere n'ụdị ọnụọgụ abụọ. Ọnụ ọgụgụ ahụ n'ozuzu anaghị agafe 100. Ihe mgbawa CPU ngwugwu DIP nwere ahịrị abụọ nke ntụtụ nke kwesịrị itinye n'ime oghere mgbawa nwere...GỤKWUO -
Ọdịiche dị n'etiti ihe FR-4 na ihe Rogers
1. FR-4 ihe dị ọnụ ala karịa Rogers ihe 2. Rogers ihe nwere elu ugboro tụnyere FR-4 ihe. 3. Df ma ọ bụ ihe nkwụsị nke ihe FR-4 dị elu karịa nke ihe Rogers, na nkwụsị mgbaàmà dị ukwuu. 4. N'ihe gbasara nkwụsi ike nke impedance, ọnụ ahịa Dk ...GỤKWUO -
Kedu ihe kpatara ịchọrọ mkpuchi na ọla edo maka PCB?
1. N'elu PCB: OSP, HASL, Lead-free HASL, Immersion Tin, ENIG, Immersion Silver, Hard gold plating, Plating gold for all board, gold finger, ENEPIG… OSP: ọnụ ala, ezigbo solderability, ọnọdụ nchekwa siri ike, obere oge, teknụzụ gburugburu ebe obibi, ịgbado ọkụ dị mma, dị nro…HASL: ọ na-abụkarị m…GỤKWUO -
Organic Antioxidant (OSP)
Oge ọdabara: A na-eme atụmatụ na ihe dị ka 25% -30% nke PCB na-eji usoro OSP ugbu a, na oke ahụ na-arị elu (ọ ga-abụ na usoro OSP ugbu a karịrị nke ịgba agba na ọkwa mbụ). Enwere ike iji usoro OSP na PCB ndị dị ala ma ọ bụ PCB dị elu, dị ka otu-si...GỤKWUO
