Muhimmancin m PCB ba za a iya raina shi a masana’antar PCB ba. Reasonaya daga cikin dalili shine yanayin zuwa miniaturization. Bugu da ƙari, buƙatar PCBS mai ƙarfi mai ƙarfi yana ƙaruwa saboda sassauci da ayyukan taron 3D. Koyaya, ba duk masana’antun PCB suna iya saduwa da rikitarwa mai rikitarwa da tsayayyen tsari na PCB ba. Ana kera allunan da’irar da ke da sassauƙa ta hanyar tsari wanda ke rage kaurin katako mai ƙarfi zuwa 0.25mm +/- 0.05mm. Wannan, bi da bi, yana ba da damar amfani da allon a aikace -aikacen da ke buƙatar lanƙwasa allon da ɗora shi a cikin gidan. Ana iya amfani da farantin don shigarwa lanƙwasa sau ɗaya da shigarwa da yawa.

Ga taƙaitaccen bayanin wasu halayen da suka sa ya zama na musamman:

FR4 Semi -sassauƙa halayen PCB

L Babban mahimmin sifa da ke aiki mafi kyau don amfanin ku shine cewa yana da sassauƙa kuma yana iya dacewa da sararin samaniya.

L Ana ƙara ƙaruwarsa ta gaskiyar cewa sassaucinta baya hana watsa siginar sa.

L Hakanan yana da nauyi.

Gabaɗaya, PCBS masu sassaucin ra’ayi kuma an san su da mafi kyawun farashi saboda hanyoyin sarrafa su sun dace da ƙarfin masana’antar da ke akwai.

L Suna adana lokacin ƙira da lokacin taro.

L Su ne madaidaitan madaidaitan hanyoyin, ba kaɗan ba saboda suna guje wa matsaloli da yawa, gami da tangles da walda.

Hanyar yin PCB

Babban tsarin masana’antu na hukumar FR4 mai sassauƙa mai sauƙin bugawa kamar haka:

Tsarin gabaɗaya ya ƙunshi fannoni masu zuwa:

L Yankan kayan

L Dry film shafi

L Binciken dubawa na atomatik

L Browning

L laminated

L-X-ray jarrabawa

L hakowa

L electroplating

L Shafin juyawa

L etching

L Bugun allo

L Bayyanawa da haɓakawa

L Surface gamawa

L Zurfin sarrafa injin

L Gwajin lantarki

L Quality iko

L marufi

Menene matsaloli da yuwuwar mafita a masana’antar PCB?

Babbar matsalar masana’anta ita ce tabbatar da daidaito da zurfin kula da haƙurin milling. Hakanan yana da mahimmanci a tabbatar cewa babu raunin resin ko ɓarkewar mai wanda zai iya haifar da matsaloli masu inganci. Wannan ya haɗa da bincika abubuwan da ke gaba yayin aikin sarrafa zurfin:

L kauri

L abun ciki na resin

L Haƙurin Milling

Zurfin sarrafa milling gwajin A

An yi milling kauri ta hanyar taswira don dacewa da kaurin 0.25 mm, 0.275 mm da 0.3 mm. Bayan an saki allon, za a gwada shi don ganin ko zai iya jure lanƙwasa digiri 90. Gabaɗaya, idan ragowar kaurin shine 0.283mm, ana ganin fiber ɗin gilashi ya lalace. Don haka, dole ne a yi la’akari da kaurin farantin, kaurin gilashin gilashi da yanayin mutuƙar wutar lantarki yayin gudanar da zurfin niƙa.

Zurfin sarrafa milling gwajin B

Dangane da abin da ke sama, ya zama dole don tabbatar da kauri na jan karfe na 0.188mm zuwa 0.213mm tsakanin layin shinge mai siyarwa da L2. Hakanan ana buƙatar kulawa da kyau don kowane warping wanda zai iya faruwa, yana shafar daidaiton kauri gaba ɗaya.

Zurfin sarrafa milling gwajin C

Injin sarrafa zurfin yana da mahimmanci don tabbatar da cewa an saita girman zuwa 6.3 “x10.5” bayan an fito da samfur ɗin kwamitin. Bayan wannan, ana ɗaukar ma’aunin ma’aunin binciken don tabbatar da cewa an kiyaye tsayayyen 20mm a tsaye da a kwance.

Hanyoyin ƙirar ƙira na musamman suna tabbatar da cewa zurfin kula da kaurin haƙuri yana cikin ± 20μm.