Xallinta su’aalaha aqoonta aasaasiga ah ee guddiga wareegga。

1. Hordhaca fasiraadda magac
Printed circuit — on the surface of an insulating material, provides a conductive pattern of electrical connections between components, including shielding elements.
Wareegga Daabacan – Wareeg ka samaysan wareegga daabacan, qayb daabacan, ama isku -darka labada, sida ku cad naqshad hore loo cayimay oogada sare ee alaabta ka -hortagga.
Guddiga wareegga/wareegga ee la daabacay – erey guud oo loogu talagalay guddiyada ka -hortagga ee ku dhammaaday wareegga daabacan ama wareegga daabacan. Mellor | | ay | | | PCB strips muunad, 1, 1, ai, 1 qaybinta 1 xirfadda ugu horreysa P | 1 Xaashida tusaalaha CB
PCB -ga cufnaanta hooseeya – PCB -ga la soo saaray oo leh silig ka weyn 0.3 mm (12/12mil) oo ballac u dhexeeya laba saxan oo isgoyska 2.54 mm Roobka caadiga ah.
Cufnaanta Dhexdhexaadka ah ee PCB-Loox daabacan oo si ballaaran loo soo saaray oo leh laba fiilo qiyaastii 0.2 mm (8/8mil) oo ballac u dhexeeya laba saxan oo isgoyska 2.54 mm Roobka caadiga ah.
Looxa Daabacan ee Cufnaanta-Boodh la soo saaray oo si ballaaran loo soo saaray oo leh saddex fiilo oo u dhexeeya laba saxan oo isgoys ah oo ah 2.54 mm oo ballaadhkeedu yahay heerka caadiga ah ee 0.1 illaa 0.15 mm (4-6/4-6mil).
2. Maxay yihiin noocyada wareegyada daabacan marka loo eego qaabka substrate -ka iyo qaabka tabinta ee la adeegsaday? Millor | | ay | | | Qeybaha muunadda P CB, 1, 1, ai, 1 qeybta 1 xirfadda P | 1 Xaashida tusaalaha CB
-Sida laga soo xigtay substrate-ka la isticmaalay: adkaysi, dabacsan, adag-dabacsan;
-Marka loo eego garaafyada tabinta: hal, laba-laab, lakabyo badan.
3. Sharax hawsha wareegga daabacan iyo sifooyinka warshadaha wareegga ee daabacan.
– Ugu horreyntii, waxay bixisaa taageero farsamo oo loogu talagalay hagaajinta guddiga nuqulka PCB iyo isu -geynta transistors -ka, wareegyada isku -dhafan, iska -caabbinta, koronto -yaqaannada, inductors -ka iyo qaybaha kale.
Marka labaad, waxay ogaataa xarigga iyo isku xirka korantada ee u dhexeeya qaybaha sida transistor -ka, wareegyada isku -dhafan, iska -caabbinta, koronto -yaqaannada iyo inductors -ka, iyo dahaarka korantada si ay ula kulmaan astaamaha korantada.
Ugu dambayntii, astaamaha aqoonsiga iyo garaafyada ayaa la siiyaa kormeerka iyo dayactirka qaybaha ku jira geeddi -socodka isu -imaatinka elektiroonigga ah ee PCB, iyo xannibaadaha alxanka xannibaadda ayaa la siiyaa alxanka mawjadda.
– Tiknoolajiyad sare, maalgashi sare, halis badan iyo macaash badan. Mellor | | ay | | | Qeybaha muunadda P CB, 1, 1, ai, 1 qeybta 1 xirfadda P | 1 Xaashida tusaalaha CB
4. Printed circuit manufacturing process classification is mainly divided into what two methods? What are the advantages of each?
– Habka isku -darka: iska ilaali tiro badan oo naxaas ku dhejisan, yaree qiimaha. Habka wax -soo -saarka guddiga nuqul ee PCB oo la fududeeyay, wuxuu hagaajiyaa wax -soo -saarka wax -soo -saarka. Fiilooyinka soo raaci iyo dusha biyo raaci waa la gaari karaa. Kalsoonida daloolka birta ah ayaa la hagaajiyaa.
– Reduction method: mature, stable and reliable process. Mellors | | ai | | | P CB sample strips, 1, 1, ai, 1 division 1 skill the first P | 1 CB sample sheet
5. What are the types of addition processes used in printed circuit manufacturing? Write out the process separately?
– Total addition method: drilling, imaging, viscosifying treatment (negative phase), electroless copper plating, removal of resist.
– Habka ku -biirinta badh: qodista, daweynta dabaysha iyo taabashada, dahaadhka naxaasta ee aan korontada lahayn, sawir -qaadista (iska -caabbinta korontada), naxaas electroplating graphic (wajiga taban), iska -caabinta ka -qaadista, kala -soocidda kala duwan.
-Habka isku-darka qayb ahaan: sawirka (anti-etching), naxaasta jeexitaanka (wajiga caadiga ah), ka saarida lakabka iska caabbinta, saxanka oo dhan dahaadhka korontada iska caabinta, qodista, naxaasta korontada ee dahaarka leh ee daloolka, ka saarista iska caabbinta korontada.
6. Maxay yihiin noocyada wareegga daabacan ee habka kalagoynta? Qor socodka geedi socodka saxanka oo dhan iyo dahaadhka dahaadhka. Millor | | ay | | | Qeybaha muunadda P CB, 1, 1, ai, 1 qeybta 1 xirfadda P | 1 Xaashida tusaalaha CB
-PCB dahaarka leh ee aan daloolka lahayn, PCB dahaarka leh ee dahaarka leh, PCB dahaarka leh iyo PCB-ga dushiisa.
– Saxanka oo dhan electroplating (habka maaskaro): faaruqinta, qodista, ka -dhigista godadka, dhumucda saxanka oo dhan electroplating, daaweynta dusha, dhejinta filimka qallajinta nooca daboolidda fudud, sameynta garaafyada siligga caadiga ah, xoqidda, ka saarista filimka, koronto gelinta, qaabaynta qaabeynta, kormeer, daabacaadda dahaadhka iska caabinta alxanka, heer -kulka hawada kulul, daabacaadda shabakadda ee calaamadaha calaamadeynta, badeecadaha dhammaaday. Mellor | | ay | | | Qeybaha muunadda P CB, 1, 1, ai, 1 qeybta 1 xirfadda P | 1 Xaashida tusaalaha CB
–PCB graphic electroplating (bare copper coating resistance film) : Double-sided copper-clad boards blanking, punching positioning hole, CNC drilling, inspection, deburring, thin thin electroless copper, electroplating copper, inspection, brush plate, sticker (or screen printing), exposure imaging (or curing), inspection retouching, electroplating copper, graphics are electroplating tin lead alloy, go to the film (or remove) was printed, inspection retouching, etching, pewter back, open circuit test, clean, resistance welding graphics, plug nickel plating / gold, plug adhesive tape, hot air leveling, cleaning, network printing symbols, shape processing, cleaning and drying, inspection, packaging, finished products.
7. Farsamada korontada ayaa loo qaybin karaa farsamooyin noocee ah?
– Teknolojiyadda dahaadhka leh ee daloolka leh ee caadiga ah, teknolojiyadda dahaadhka tooska ah, teknolojiyadda dhejiska tabinta. Mellor | | ay | | | Qeybaha muunadda P CB, 1, 1, ai, 1 qeybta 1 xirfadda P | 1 Xaashida tusaalaha CB
8. Maxay yihiin astaamaha ugu muhiimsan ee looxyada daabacan ee dabacsan? Maxay haysataa agabkeeda aasaasiga ah?
– Dabacsan oo laaban karo si loo yareeyo mugga; Miisaan khafiif ah, joogteynta fiilooyinka wanaagsan, isku halaynta sare.
9. Sharax tilmaamaha ugu muhiimsan iyo adeegsiga PCB -ga dabacsan.
– Qaybaha adag oo dabacsan ayaa la isku daray, iyadoo meesha laga saarayo baahida loo qabo isku xirayaasha, isku -xirnaanta la isku halleyn karo, dhimista miisaanka, yareynta isu -imaatinka. Guddiga nuqulidda PCB waxaa inta badan loo adeegsadaa qalabka elektaroonigga ah ee caafimaadka, kombiyuutarrada iyo meelaha durugsan, qalabka isgaarsiinta, qalabka hawada sare iyo difaaca qaranka iyo qalabka milateri. Mellor | | ay | | | Qeybaha muunadda P CB, 1, 1, ai, 1 qeybta 1 xirfadda P | 1 Xaashida tusaalaha CB
10. Sharaxaad ka bixi sifooyinka looxa dhejisan ee koollada daabacan.
– Farsamaynta farsamaynta fudud, hufnaanta wax -soo -saarka oo sarreeya, kharash yar, biyo wasakh yar.
11. Waa maxay badan PCB taararka?
– Boodh la daabacay oo si toos ah loogu dhejiyay fiilooyin bir ah
12. Waa maxay loox daabacan oo ku salaysan biraha? Waa maxay astaamaha ugu waaweyn?
– Ereyga guud ee saldhigga birta ah ee la daabacay iyo looxa daabacan ee birta. Mellor | | ay | | | Qeybaha muunadda P CB, 1, 1, ai, 1 qeybta 1 xirfadda P | 1 Xaashida tusaalaha CB
13. Waa maxay PCB-ga dhinacyo badan leh? Waa maxay astaamaha ugu waaweyn?
Soo -saaridda looxyada wareegga ee dhinacyo badan leh oo ku jira hal PCB. Astaamaha guddiga PCB: ma aha oo kaliya inay xakameyn karaan mowjadda korantada gudaha gudaha shucaaca dibedda, laakiin sidoo kale waxay ka hortagi kartaa faragelinta mowjadda elektromagnetic dibadda ah, uma baahna biraha daloolka, qiime jaban, miisaanka fudud, waxay noqon kartaa dhuuban.
14. Hordhac kooban oo ku saabsan qeexidda iyo soo saaridda wareegga daabacaadda ee multilayer?
-Cufnaanta sare ee looxyada badan ee looxyada daabacan waxaa lagu sameeyaa iyadoo lagu beddelayo lakabka dahaarka leh iyo lakabka tabinta ee habka lakabka lakabka ee lakabka gudaha ee looxa dhamaystiran, godadka indha la ‘ayaa si xor ah loogu isticmaalaa in lagu dhex maro lakabyada.