A duniyar kayan lantarki, allunan da'ira (PCBs) da aka buga (PCBs) suna taka muhimmiyar rawa wajen haɗawa da ƙarfafa sassa daban-daban. Su ne kashin bayan kowace na'ura ta lantarki, tun daga wayoyin hannu zuwa injinan masana'antu. Idan ya zo ga zayyana PCB don aiki, kauri na Layer na jan karfe yana da mahimmancin la'akari. PCBs masu nauyi na jan karfe, wanda kuma aka sani da PCBs masu kauri, sun ƙara shahara wajen cajin motoci saboda keɓantattun siffofi da fa'idodinsu. A cikin wannan labarin, za mu tattauna dalilin da ya sa yi la'akari da nauyin PCBs na jan karfe don babban aikin ku na yanzu.
Menene PCB Copper Copper?
PCB mai jan ƙarfe mai nauyi shine allon kewayawa mai kauri mai kauri wanda ba a saba gani ba, yawanci ya wuce oza 3 a kowace ƙafar murabba'in (oz/ft²). Idan aka kwatanta, daidaitattun PCBs yawanci suna da kauri mai kauri na 1 oz/ft². Ana amfani da PCBs na jan ƙarfe mai nauyi a aikace-aikace inda ake buƙatar babban halin yanzu, ko allon yana buƙatar jure yanayin injin da zafi.
Amfanin PCBs masu nauyi na Copper
l Babban Ƙarfin Yanzu
Ƙaurin jan ƙarfe mai kauri a cikin PCB tagulla mai nauyi yana ba da damar ƙarin ƙarfin halin yanzu. Wannan ya sa ya dace don aikace-aikace masu ƙarfi kamar kayan wuta, masu sarrafa motoci, da kayan aikin masana'antu. PCBs masu nauyi na jan ƙarfe na iya ɗaukar amps 20 ko fiye, idan aka kwatanta da daidaitattun 5-10 amps na PCB na yau da kullun.
l Gudanar da thermal
An san PCBs masu nauyi na tagulla don kyakkyawan ƙarfin sarrafa zafi. Ƙarfin jan ƙarfe mai kauri yana ba da damar mafi kyawun zubar da zafi, rage haɗarin zafi da gazawar sassan. Wannan ya sa su dace don aikace-aikacen da ke buƙatar babban iko da kuma haifar da zafi mai yawa.
l Dorewa
PCBs masu nauyi na jan karfe sun fi ƙarfi da dorewa fiye da daidaitattun PCBs. Ƙaurin jan ƙarfe mai kauri yana ba da mafi kyawun tallafin injina, yana sa su jure lalacewa daga girgizawa, girgiza, da lanƙwasa. Wannan ya sa su dace don wurare masu zafi da aikace-aikacen masana'antu.
l Ƙara Sauƙi
PCBs masu nauyi na jan karfe suna ba da ƙarin sassaucin ƙira idan aka kwatanta da daidaitattun PCBs. Ƙararren jan ƙarfe mai kauri yana ba da damar ƙarin ƙira da ƙima, rage girman girman allo. Wannan ya sa su dace don aikace-aikace inda sarari ya iyakance.
l Ingantacciyar Mutun Sigina
Ƙaurin jan ƙarfe mai kauri a cikin PCBs na jan karfe yana samar da ingantaccen sigina. Wannan yana rage haɗarin hasarar sigina da tsangwama, yana haifar da ƙarin abin dogaro da ingantaccen aikin kewayawa.
Tsarin kauri na Copper don PCB mai nauyi na Copper?
Saboda kaurin tagulla a cikin tagulla mai nauyi PCB yana da kauri sannan FR4 PCB na al'ada, to yana da sauƙi a iya warwarewa idan kaurin tagulla bai dace da juna ba a siminti. Misali, idan kuna zayyana PCB mai nauyi 8 yadudduka, to, kauri na tagulla a kowane Layer yakamata ya bi L8=L1, L7=L2, L6=L3, L5=L4 misali.
Bugu da ƙari, alakar da ke tsakanin mafi ƙarancin sararin layi da mafi ƙarancin faɗin layi ya kamata a yi la'akari da shi, bin ƙa'idar ƙira za ta taimaka wajen daidaita samarwa da rage lokacin jagora. Da ke ƙasa akwai ƙa'idodin ƙira tsakanin su, LS yana nufin sararin layi kuma LW yana nufin faɗin layi.
Dokokin hako rami don allon jan karfe mai nauyi
Wani plated ta rami (PTH) a bugu a allon kewayawa shine haɗa gefen sama da ƙasa don sanya su wutar lantarki. Kuma lokacin da ƙirar PCB tana da yadudduka na jan karfe da yawa, dole ne a yi la'akari da sigogin ramuka a hankali, musamman diamita na rami.
A cikin Mafi kyawun Fasaha, ƙaramin diamita na PTH yakamata ya kasance>=0.3mm yayin da zoben jan karfe ya kamata ya zama 0.15mm aƙalla. Don kaurin jan ƙarfe na bango na PTH, 20um-25um azaman tsoho, da matsakaicin 2-5OZ (50-100um).
Mahimman sigogi na PCB mai nauyi na Copper
Anan akwai wasu mahimman sigogi na PCB na jan karfe mai nauyi, da fatan wannan zai iya taimaka muku fahimtar mafi kyawun fasahar fasaha.
l Bayanan tushe: FR4
l Kaurin jan karfe: 4 OZ ~ 30 OZ
l Matsanancin Nauyin jan ƙarfe: 20 ~ 200 OZ
l Shaci: Hanyar hanya, naushi, V-Cut
l Mashin solder: Farar/Baƙara/Blue/Green/Mai ja (Buga abin rufe fuska ba ya da sauƙi a cikin PCB na jan karfe mai nauyi.)
l Ƙarewar saman: Immersion Gold, HASL, OSP
l Girman Panel: 580*480mm (22.8"*18.9")
Aikace-aikace na PCBs masu nauyi na Copper
Ana amfani da PCBs masu nauyi a cikin aikace-aikace iri-iri, gami da:
l Kayan wutar lantarki
l Masu kula da motoci
l Injin masana'antu
l Kayan lantarki na mota
l Tsarin sararin samaniya da tsaro
l Solar inverters
l LED fitilu
Zaɓin kauri na PCB daidai yana da mahimmanci don nasarar kowane aiki. PCBs masu nauyi na jan karfe suna ba da fasali na musamman da fa'idodi waɗanda ke sa su dace don aikace-aikacen babban ƙarfi da zafin jiki. Idan kuna son tabbatar da dogaro da aikin aikin ku, yi la'akari da amfani da PCBs masu nauyi na jan karfe. Mafi kyawun fasaha yana da ƙwarewar masana'antu fiye da shekaru 16 a cikin PCBs na jan karfe mai nauyi, don haka muna da kwarin gwiwa cewa za mu iya zama mai samar da abin dogaro a China. Barka da zuwa tuntuɓar mu a kowane lokaci don kowace tambaya ko kowace tambaya game da PCBs.