1. Shiri
Ciki har da shirye-shiryen dakunan karatu da schematics.Kafin ƙirar PCB, da farko shirya ɗakin karatu na ɓangaren SCH da ɗakin karatu na fakitin PCB.
Laburaren fakitin PCB shine mafi kyawun kafa ta injiniyoyi bisa madaidaicin bayanin girman na'urar da aka zaɓa.A ka'ida, da farko kafa ɗakin karatu na kunshin kayan aikin PC, sannan a kafa ɗakin karatu na abubuwan SCH na makirci.
PCB bangaren kunshin ɗakin karatu ya fi buƙata, kai tsaye yana shafar shigarwar PCB;Abubuwan da ake buƙata na ɗakin karatu na tsarin SCH suna da annashuwa, amma kula da ma'anar kyawawan kaddarorin fil da wasiku tare da ɗakin karatu na fakitin PCB.
2. Tsarin tsarin PCB
Bisa ga hukumar size da aka ƙaddara da daban-daban inji sakawa, da PCB zane yanayi don zana PCB hukumar frame, da sakawa bukatun don sanya da ake bukata haši, makullin / sauya, dunƙule ramukan, taro ramukan, da dai sauransu.
Yi la'akari sosai kuma ƙayyade wurin wayoyi da yanki mara waya (kamar nawa a kusa da ramin dunƙule na yankin mara waya).
3. PCB layout zane
Tsarin shimfidawa shine sanya na'urori a cikin firam ɗin PCB daidai da buƙatun ƙira.Ƙirƙirar tebur na cibiyar sadarwa a cikin kayan aikin ƙira (Design→CreateNetlist), sannan shigo da teburin hanyar sadarwa a cikin software na PCB (Design→ImportNetlist).Bayan nasarar shigo da tebur na cibiyar sadarwa zai kasance a bangon software, ta hanyar aiki na Wuta na iya zama duk na'urorin da aka kira, tsakanin fil tare da tukwici masu tashi da aka haɗa, sannan zaku iya tsara tsarin na'urar.
Tsarin shimfidar PCB shine tsari na farko mai mahimmanci a cikin dukkan tsarin ƙirar PCB, mafi rikitarwa allon PCB, mafi kyawun shimfidar wuri na iya shafar sauƙin aiwatar da wayoyi daga baya.
Ƙirar shimfidar wuri ta dogara da ainihin ƙwarewar da'irar mai zanen allon da'ira da ƙwarewar ƙira, mai ƙirar allo shine babban matakin buƙatu.Junior kewaye hukumar zanen ne har yanzu m gwaninta, dace da kananan module layout zane ko dukan hukumar ba shi da wuya PCB layout zane ayyuka.
4. PCB zane zane
Tsarin wayar PCB shine mafi girman nauyin aiki a cikin tsarin ƙirar PCB gabaɗaya, wanda ke shafar aikin hukumar PCB kai tsaye.
A cikin tsarin ƙira na PCB, wayoyi gabaɗaya yana da dauloli uku.
Na farko, zane ta hanyar, wanda shine mafi mahimmancin shigarwar da ake bukata don ƙirar PCB.
Abu na biyu, aikin lantarki don saduwa, wanda shine ma'auni na ko kwamitin PCB ya cancanci matsayin, bayan layin ta hanyar, a hankali daidaita wayoyi, ta yadda zai iya cimma mafi kyawun aikin lantarki.
Har yanzu ne m da kyau, disorganized wayoyi, ko da lantarki yi zai kuma kawo babban rashin jin daɗi ga daga baya ingantawa na hukumar da gwaji da kuma kiyayewa, wiring bukatun m da kuma tsabta, ba za a iya crisscrossed ba tare da dokoki da ka'idoji.
5. Waya ingantawa da silkscreen jeri
"Tsarin PCB ba shine mafi kyau ba, kawai mafi kyau", "tsararrun PCB fasaha ce mara kyau", galibi saboda ƙirar PCB don cimma buƙatun ƙira na sassa daban-daban na kayan aikin, kuma buƙatun mutum na iya zama cikin rikici tsakanin kifin da na bear. paw ba zai iya zama duka biyu ba.
Misali: aikin ƙirar PCB bayan mai zanen hukumar don tantance buƙatar ƙirar allon 6-Layer, amma kayan aikin samfur don la'akari da farashi, buƙatun dole ne a tsara su azaman allon 4-Layer, sannan kawai a kashe kuɗin siginar garkuwar ƙasa Layer, wanda ke haifar da ƙarar siginar crosstalk tsakanin yadudduka na wayoyi na kusa, za a rage ingancin siginar.
Ƙwarewar ƙira ta gaba ɗaya ita ce: inganta lokacin wayoyi sau biyu sau biyu na lokacin farkon wayoyi.PCB wayoyi ingantawa da aka kammala, da bukatar post-processing, da primary aiki ne PCB hukumar surface na siliki-allon logo, da zane na kasa Layer na siliki-allon haruffa bukatar yin madubi aiki, don haka kamar yadda ba su. rikita tare da saman Layer na siliki-allon.
6. Cibiyar sadarwa DRC duba da tsarin duba
Gudanar da inganci wani muhimmin sashi ne na tsarin ƙirar PCB, gabaɗayan hanyoyin sarrafa ingancin sun haɗa da: ƙira binciken kai, ƙirar ƙirar juna, tarurrukan nazarin ƙwararru, dubawa na musamman, da sauransu.
Abubuwan tsari da tsarin tsarin zane shine mafi mahimmancin buƙatun ƙira, bincika DRC cibiyar sadarwa da duba tsari shine tabbatar da cewa ƙirar PCB don saduwa da netlist na tsari da abubuwan tsarin zane na yanayin shigarwa guda biyu.
Masu zanen allo na gabaɗaya za su sami nasu tarin nasu jerin abubuwan duba ingancin ƙira, wanda wani ɓangare ne na shigarwar kamfani ko ƙayyadaddun sashe, wani ɓangaren daga taƙaitaccen ƙwarewar nasu.Bincike na musamman sun haɗa da ƙirar Valor check da DFM check, waɗannan sassa biyu na abun ciki sun damu game da PCB ƙira fitarwa na baya-karshen sarrafa haske fayil zane.
7. PCB allo yin
A cikin PCB m aiki a gaban hukumar, da'irar hukumar zanen bukatar sadarwa tare da PCB A wadata hukumar factory PE, amsa manufacturer a kan PCB hukumar sarrafa al'amurran da suka shafi.
Wannan ya haɗa da, amma ba'a iyakance ga: zaɓi na nau'in hukumar PCB, layin nisa layin daidaitawa na layin layi, daidaitawar sarrafa impedance, daidaita kauri na PCB, tsarin sarrafa saman jiyya, kulawar haƙuri da ramuka da ƙimar bayarwa.
Lokacin aikawa: Mayu-10-2022