Akwai nau'ikan allunan da'ira da yawa a kasuwa, kuma sharuddan sana'a sun bambanta, daga cikinsu ana amfani da allon fpc sosai, amma mutane da yawa ba su da masaniya game da fpc, to me ake nufi da fpc?

1, fpc board kuma ana kiransa "sauƙaƙƙiyar allon kewayawa", yana ɗaya daga cikin kwamfyutocin PCB da aka buga, nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in abun rufewa ne, kamar: polyimide ko fim ɗin polyester, sannan ta hanyar tsari na musamman da aka yi. na buga kewaye allon. Yawan wayoyi na wannan allon kewayawa gabaɗaya yana da girma, amma nauyin zai zama ɗan haske, kauri zai zama ɗan ƙaramin bakin ciki, kuma yana da kyakkyawan aiki na sassauƙa, da kuma aiki mai kyau na lanƙwasawa.

2, fpc board da PCB board shine babban bambanci. Matsakaicin allon fpc gabaɗaya PI ne, don haka ana iya lankwasa shi ba bisa ka'ida ba, lanƙwasa, da dai sauransu, yayin da ma'aunin kwamfyutar PCB gabaɗaya FR4 ne, don haka ba za a iya lankwasa shi ba da gangan. Don haka, filayen amfani da aikace-aikacen fpc board da PCB suma sun bambanta sosai.

3, saboda fpc board za a iya lankwasa da gyare-gyare, ana amfani da fpc board a cikin matsayi wanda ake buƙatar maimaitawa akai-akai ko haɗin kai tsakanin ƙananan sassa. Kwamitin PCB yana da tsayin daka, don haka ana amfani da shi sosai a wasu wuraren da ba ya buƙatar lanƙwasa kuma ƙarfin yana da wahala.

4, fpc jirgin yana da abũbuwan amfãni daga kananan size, haske nauyi, don haka zai iya yadda ya kamata rage girman da lantarki kayayyakin ne sosai kananan, don haka shi ne yadu amfani a cikin wayar hannu masana'antu, kwamfuta masana'antu, TV masana'antu, dijital kamara masana'antu da sauran. in mun gwada kadan, in mun gwada da nagartaccen masana'antar kayayyakin lantarki.

5, allon fpc ba kawai za a iya lankwasa da yardar kaina ba, amma kuma ana iya raunata shi ta hanyar son rai ko naɗe tare, kuma ana iya shirya shi kyauta bisa ga buƙatun shimfidar sararin samaniya. A cikin sarari mai girma uku, fpc board kuma za a iya motsa shi ba bisa ka'ida ba ko na'urar hangen nesa, ta yadda za a iya cimma manufar haɗakarwa tsakanin waya da haɗin haɗin.

Menene busassun fina-finai na PCB?

1, PCB mai gefe guda

A tushe farantin da aka yi da takarda phenol jan karfe laminated jirgin (takarda phenol a matsayin tushe, mai rufi da tagulla tsare) da takarda Epoxy jan karfe laminated jirgin. Yawancin su ana amfani da su a cikin kayan lantarki na cikin gida kamar rediyo, kayan aikin AV, dumama, firiji, injin wanki, da injinan kasuwanci kamar na'urorin bugawa, injinan siyarwa, injinan kewayawa, da kayan lantarki.

2, PCB mai fuska biyu

Kayayyakin tushe sune Gilashin-Epoxy jan karfe laminated allo, GlassComposite jan karfe laminated allo, da takarda Epoxy jan karfe laminated allo. Yawancin su ana amfani da su a cikin kwamfutoci na sirri, kayan kiɗan lantarki na lantarki, wayoyi masu aiki da yawa, injin lantarki na mota, na'urorin lantarki, kayan wasan lantarki, da sauransu. , na'urorin watsa shirye-shiryen tauraron dan adam, da na'urorin sadarwar wayar tafi-da-gidanka saboda kyawawan halaye masu yawa, kuma ba shakka, farashin yana da yawa.

3, 3-4 yadudduka na PCB

Kayan tushe galibi Glass-Epoxy ko resin benzene. An fi amfani da shi a cikin kwamfutoci na sirri, Ni (na'urorin lantarki, na'urorin likitanci) injina, injin aunawa, injin gwaji na semiconductor, NC (Control Numerical, sarrafa lambobi) injina, na'urorin lantarki, injin sadarwa, allunan kewayawa na ƙwaƙwalwar ajiya, katunan IC, da sauransu, akwai Har ila yau, gilashin roba roba laminated jirgin a matsayin Multi-Layer PCB kayan, Yafi mayar da hankali a kan kyau kwarai aiki halaye.

4,6-8 yadudduka na PCB

Tushen kayan har yanzu yana kan GLASS-epoxy ko Gilashin benzene resin. An yi amfani da shi a cikin musanya na lantarki, na'urorin gwaji na semiconductor, kwamfutoci masu matsakaicin girma, EWS (EngineeringWorkStation), NC da sauran injuna.

5, fiye da yadudduka 10 na PCB

An yi maƙallan da aka fi yin da Gilashin benzene resin, ko GLASS-epoxy a matsayin abin da ake amfani da shi na PCB mai yawan Layer Layer. Aikace-aikacen irin wannan PCB ya fi na musamman, yawancin su manyan kwamfutoci ne, kwamfutoci masu sauri, na'urorin sadarwa, da dai sauransu, musamman saboda yana da halayen mitar mita da kyawawan halayen zafin jiki.

6, sauran PCB substrate abu

Sauran PCB substrate kayan su ne aluminum substrate, baƙin ƙarfe substrate da sauransu. An kafa da'ira a kan ma'auni, yawancin abin da ake amfani da su a cikin motar juyawa (kananan motar). Bugu da kari, akwai m PCB (FlexiblPrintCircuitBoard), da kewaye da aka kafa a kan polymer, polyester da sauran manyan kayan, za a iya amfani da a matsayin guda Layer, biyu Layer, zuwa Multi-Layer jirgin iya zama. Ana amfani da wannan madaidaicin allon kewayawa a cikin sassa masu motsi na kyamarori, na'urorin OA, da dai sauransu, da haɗin kai tsakanin PCB mai wuya ko haɗin haɗin haɗin kai tsakanin PCB mai wuya da PCB mai laushi, dangane da hanyar haɗin haɗin gwiwa saboda girma. elasticity, siffarsa ya bambanta.

Multi-Layer allo da matsakaici da babban TG farantin

Na farko, ana amfani da allunan da'ira na PCB masu yawa a cikin waɗanne wurare?

Multilayer PCB da'irar allunan ana amfani da su gabaɗaya a kayan sadarwa, kayan aikin likitanci, sarrafa masana'antu, tsaro, na'urorin lantarki, jirgin sama, filayen kwamfuta; A matsayin "babban karfi" a cikin waɗannan fagage, tare da ci gaba da haɓaka ayyukan samfur, ƙarin layin layi, daidaitattun buƙatun kasuwa na ingancin hukumar kuma suna samun girma da girma, da buƙatar abokin ciniki na matsakaici da babba. Allolin kewayawa na TG suna karuwa koyaushe.

Na biyu, da musamman na Multi-Layer PCB kewaye allon

Kwamitin PCB na yau da kullun zai sami nakasu da sauran matsaloli a yanayin zafi mai yawa, yayin da injiniyoyi da halayen lantarki kuma na iya raguwa sosai, rage rayuwar sabis na samfur. Filin aikace-aikacen allon PCB da yawa yana kasancewa gabaɗaya a cikin masana'antar fasaha mai ƙarfi, wanda kai tsaye yana buƙatar cewa hukumar tana da kwanciyar hankali, juriya mai ƙarfi, kuma tana iya jure yanayin zafi, zafi mai zafi da sauransu.

Saboda haka, samar da Multi-Layer PCB allon amfani da akalla TG150 faranti, domin tabbatar da cewa kewaye hukumar da aka rage ta waje dalilai a cikin aiwatar da aikace-aikace da kuma kara da sabis na samfurin.

Na uku, babban TG farantin karfe irin kwanciyar hankali da babban abin dogaro

Menene darajar TG?

Darajar TG: TG shine mafi girman zafin jiki wanda takardar ta kasance mai ƙarfi, kuma ƙimar TG tana nufin yanayin zafin da amorphous polymer (wanda ya haɗa da ɓangaren amorphous na polymer crystalline) ya canza daga yanayin gilashi zuwa babban yanayin roba (rubber). jihar).

Ƙimar TG ita ce mahimmin zafin jiki wanda ma'aunin ya narke daga m zuwa ruwan roba.

Matsayin ƙimar TG yana da alaƙa kai tsaye da kwanciyar hankali da amincin samfuran PCB, kuma mafi girman ƙimar TG na hukumar, ƙarfin kwanciyar hankali da aminci.

Babban takardar TG yana da fa'idodi masu zuwa:

1) High zafi juriya, wanda zai iya rage iyo na PCB pads a lokacin infrared zafi narke, walda da thermal girgiza.

2) Low thermal fadada coefficient (low CTE) zai iya rage warping lalacewa ta hanyar yanayin zafi, da kuma rage jan karfe karaya a kusurwar rami lalacewa ta hanyar thermal fadada, musamman a PCB allon tare da takwas ko fiye yadudduka, da yi na plated ta ramukan. ya fi na allunan PCB tare da ƙimar TG gabaɗaya.

3) Yana da kyakkyawan juriya na sinadarai, ta yadda kwamitin PCB za a iya jiƙa shi a cikin tsarin jiyya na jika da kuma hanyoyin magance sinadarai da yawa, aikinsa har yanzu yana nan.