Ibeere ibeere ti imọ ipilẹ ti igbimọ Circuit。

1. Ifihan si itumọ orukọ
Printed circuit — on the surface of an insulating material, provides a conductive pattern of electrical connections between components, including shielding elements.
Circuit ti a tẹjade – Circuit ti a ṣe ti Circuit ti a tẹjade, paati ti a tẹjade, tabi apapọ awọn meji, ni ibamu si apẹrẹ ti a ti pinnu tẹlẹ lori dada ti awọn ohun elo idabobo.
Circuit ti a tẹjade/igbimọ Circuit – ọrọ gbogbogbo fun awọn igbimọ idabobo ti o ti pari pẹlu Circuit ti a tẹjade tabi Circuit ti a tẹjade. Awọn oluwa | | ai | | | PCB awọn ila ayẹwo, 1, 1, ai, pipin 1 olorijori akọkọ P | 1 CB ayẹwo dì
PCB iwuwo kekere – PCB ti iṣelọpọ ti iṣelọpọ pẹlu okun waya ti o tobi ju 0.3 mm (12/12mil) ni iwọn laarin awọn disiki meji ni ikorita ti akojopo idiwọn 2.54 mm.
PCB iwuwo alabọde-Igbimọ atẹjade ti iṣelọpọ pupọ pẹlu awọn onirin meji to 0.2 mm (8/8mil) ni iwọn laarin awọn disiki meji ni ikorita ti akojopo idiwọn 2.54 mm.
High density Printed Board — A mass-produced printed board with three wires between two disks at the intersection of a 2.54 mm standard grid width of 0.1 to 0.15 mm (4-6/4-6mil).
2. What are the types of printed circuits according to the substrate and conductive pattern used? Mellors | | ai | | | P CB sample strips, 1, 1, ai, 1 division 1 skill the first P | 1 CB sample sheet
-Ni ibamu si sobusitireti ti a lo: kosemi, rọ, rirọ-rọ;
-Ni ibamu si awọn aworan adaṣe: ẹyọkan, ilọpo meji, fẹlẹfẹlẹ pupọ.
3. Ṣe apejuwe iṣẹ ti Circuit ti a tẹjade ati awọn abuda ti ile -iṣẹ Circuit ti a tẹjade.
– Ni akọkọ, o pese atilẹyin ẹrọ fun atunse igbimọ adakọ PCB ati apejọ ti awọn transistors, awọn iyika iṣọpọ, awọn alatako, awọn kapasito, awọn inductors ati awọn paati miiran.
Ni ẹẹkeji, o mọ wiwu ati asopọ itanna laarin awọn paati bii awọn transistors, awọn iyika iṣọpọ, awọn alatako, awọn kapasito ati awọn inductors, ati idabobo itanna lati pade awọn abuda itanna rẹ.
Lakotan, awọn ohun kikọ idanimọ ati awọn aworan ni a pese fun ayewo ati itọju awọn paati ni ilana apejọ ẹrọ itanna PCB, ati awọn aworan alurinmorin ìdènà ti pese fun titọ igbi.
– Imọ -ẹrọ giga, idoko -owo giga, eewu giga ati ere giga. Awọn oluwa | | ai | | | Awọn ila ayẹwo P CB, 1, 1, ai, pipin 1 olorijori akọkọ P | 1 CB ayẹwo dì
4. Printed circuit manufacturing process classification is mainly divided into what two methods? What are the advantages of each?
– Ọna afikun: yago fun nọmba nla ti etching idẹ, dinku idiyele naa. Ilana iṣelọpọ ọkọ daakọ PCB ti o rọrun, mu ṣiṣe iṣelọpọ ṣiṣẹ. Fọ awọn okun onirin ati awọn aaye fifọ le ṣaṣeyọri. Igbẹkẹle ti iho ti irin ti ni ilọsiwaju.
– 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.
– Ọna afikun idaji: liluho, itọju katalitiki ati imọ -jinlẹ, fifa Ejò alailagbara, aworan (atako electroplating), Ejò elektroplating ti iwọn (alakoso odi), iyọkuro yiyọ, etching iyatọ.
-Ọna afikun ti apakan: aworan (egboogi-etching), idẹ etching (alakoso deede), yiyọ ideri fẹlẹfẹlẹ, gbogbo awo ti a bo electroplating koju, liluho, fifẹ idẹ elekitiro ninu iho, yiyọ ifagile electroplating.
6. Kini awọn oriṣi Circuit ti a tẹjade ninu ilana iyokuro? Kọ ṣiṣan ilana ti sisẹ awo gbogbo ati fifẹ iwọn. Awọn oluwa | | ai | | | Awọn ila ayẹwo P CB, 1, 1, ai, pipin 1 olorijori akọkọ P | 1 CB ayẹwo dì
-PCB ti ko ni ṣiṣi, PCB palara ti o ni ṣiṣi, PCB ti a ni ṣiṣan ati PCB ti a gbe sori.
– electroplating awo gbogbo (ọna masking): blanking, liluho, ṣiṣatunṣe awọn iho, sisanra ti gbogbo electroplating awo, itọju ilẹ, lẹẹmọ iru iboju iparada ina, ṣiṣe awọn eeya waya deede, etching, yiyọ fiimu, electroplating plug, processing apẹrẹ, ayewo, titẹ sita ti a bo resistance resistance, ipele afẹfẹ gbigbona, titẹ sita nẹtiwọọki ti awọn ami isamisi, awọn ọja ti pari. Awọn oluwa | | ai | | | Awọn ila ayẹwo P CB, 1, 1, ai, pipin 1 olorijori akọkọ P | 1 CB ayẹwo dì
–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. Imọ -ẹrọ itanna le pin si iru iru imọ -ẹrọ?
– Imọ -ẹrọ fifẹ lasan aṣa, imọ -ẹrọ fifẹ taara, imọ -ẹrọ alemora adaṣe. Awọn oluwa | | ai | | | Awọn ila ayẹwo P CB, 1, 1, ai, pipin 1 olorijori akọkọ P | 1 CB ayẹwo dì
8. What are the main features of flexible printed boards? What does its base material have?
– Rọrun ati kika lati dinku iwọn didun; Iwọn iwuwo, aitasera okun to dara, igbẹkẹle giga.
9. Apejuwe awọn ẹya akọkọ ati awọn lilo ti kosemi – rọ PCB.
– Awọn ẹya lile ati rirọ ti wa ni iṣọpọ, imukuro iwulo fun awọn asopọ, asopọ igbẹkẹle, idinku iwuwo, miniaturization apejọ. Igbimọ didaakọ PCB jẹ lilo nipataki ni awọn ohun elo itanna iṣoogun, awọn kọnputa ati awọn agbegbe, ohun elo ibaraẹnisọrọ, ohun elo afẹfẹ ati aabo orilẹ -ede ati ohun elo ologun. Awọn oluwa | | ai | | | Awọn ila ayẹwo P CB, 1, 1, ai, pipin 1 olorijori akọkọ P | 1 CB ayẹwo dì
10. Apejuwe awọn abuda kan ti conductive alemora tejede ọkọ.
– Imọ -ẹrọ iṣiṣẹ irọrun, ṣiṣe iṣelọpọ giga, idiyele kekere, omi egbin to kere.
11. Kini ọpọ PCB onirin?
– Igbimọ ti a tẹjade ti a ṣe nipasẹ sisọ awọn okun onirin irin taara lori sobusitireti ti o ya sọtọ.
12. Ohun ti o jẹ irin – orisun tejede ọkọ? Kini awọn ẹya akọkọ rẹ?
– Ọrọ gbogbogbo fun ipilẹ irin ti a tẹjade ati ọkọ ti a tẹjade mojuto irin. Awọn oluwa | | ai | | | Awọn ila ayẹwo P CB, 1, 1, ai, pipin 1 olorijori akọkọ P | 1 CB ayẹwo dì
13. Kini PCB multilayer ti o ni ẹyọkan? Kini awọn ẹya akọkọ rẹ?
Ṣelọpọ ti awọn igbimọ Circuit pupọ lori PCB kan ṣoṣo. Awọn abuda igbimọ PCB: kii ṣe nikan le ṣe idiwọ igbi itanna inu inu si itankalẹ ita, ṣugbọn tun le ṣe idiwọ kikọlu ti igbi itanna ita si, ko nilo imudọgba iho, idiyele kekere, iwuwo ina, le jẹ tinrin.
14. Ifihan kukuru si asọye ati iṣelọpọ ti Circuit ti a tẹjade pupọ?
-A iwuwo ti o ga pupọ lọpọ wiwọn wiwọ ọkọ ni a ṣe nipasẹ iyipo ṣiṣiparọ fẹlẹfẹlẹ ati fẹlẹfẹlẹ idari ni ọna ti tito fẹlẹfẹlẹ lori fẹlẹfẹlẹ ti inu ti igbimọ olona-fẹlẹfẹlẹ ti o pari, ati awọn iho afọju ni a lo larọwọto lati ṣe laarin awọn fẹlẹfẹlẹ.