Labarai
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Bayyana
Bayyanawa yana nufin cewa a ƙarƙashin hasken ultraviolet, mai ɗaukar hoto yana ɗaukar makamashin hasken kuma ya rushe zuwa radicals kyauta, sannan kuma radicals free radicals ya fara photopolymerization monomer don aiwatar da polymerization da crosslinking dauki. Bayyanawa gabaɗaya yana ɗaukar...Kara karantawa -
Menene dangantakar dake tsakanin wayar PCB, ta hanyar rami da ƙarfin ɗaukar nauyi na yanzu?
Haɗin wutar lantarki tsakanin abubuwan da ke kan PCBA ana samun su ta hanyar wayar tarho na jan karfe da ramuka akan kowane Layer. Haɗin wutar lantarki tsakanin abubuwan da ke kan PCBA ana samun su ta hanyar wayar tarho na jan karfe da ramuka akan kowane Layer. Sakamakon samfurori daban-daban ...Kara karantawa -
Gabatar da ayyuka na kowane Layer na Multi-Layer PCB Circuit Board
Allolin kewayawa na Multilayer sun ƙunshi nau'ikan nau'ikan yadudduka masu aiki, kamar: Layer na kariya, Layer allo na siliki, Layer na sigina, Layer na ciki, da sauransu. Nawa kuka sani game da waɗannan yadudduka? Ayyukan kowane Layer sun bambanta, bari mu dubi menene ayyukan kowane matakin h...Kara karantawa -
Gabatarwa da fa'ida da rashin amfani na allon PCB yumbu
1. Me ya sa amfani yumbu kewaye allon Talakawa PCB ne yawanci Ya sanya daga jan karfe tsare da substrate bonding, da substrate abu ne mafi yawa gilashin fiber (FR-4), phenolic guduro (FR-3) da sauran kayan, m ne yawanci phenolic, epoxy , da dai sauransu A cikin aiwatar da PCB saboda matsalolin thermal ...Kara karantawa -
Infrared + zafi mai sake kwarara iska
A cikin tsakiyar 1990s, an sami yanayin canzawa zuwa infrared + dumama iska mai zafi a cikin reflow soldering a Japan. Yana zafi da 30% infrared haskoki da 70% iska mai zafi a matsayin mai ɗaukar zafi. The infrared zafi iska reflow tanda yadda ya kamata hadawa da abũbuwan amfãni daga infrared reflow da kuma tilasta convection zafi iska r ...Kara karantawa -
Menene sarrafa PCBA?
PCBA aiki ne da ƙãre samfurin PCB danda jirgin bayan SMT faci, DIP plug-in da PCBA gwajin, ingancin dubawa da taro tsari, ake magana a kai a matsayin PCBA. Jam'iyyar mai ba da amana ta ba da aikin sarrafawa ga ƙwararrun masana'antar sarrafa PCBA, sannan ta jira abin da ya gama ...Kara karantawa -
Etching
Tsarin etching board na PCB, wanda ke amfani da tsarin etching na gargajiya na gargajiya don lalata wuraren da ba su da kariya. Irin kamar tono rami, hanya mai sauƙi amma mara inganci. A cikin tsarin etching, kuma an raba shi zuwa tsarin fim mai kyau da kuma tsarin fim mara kyau. Kyakkyawan tsarin fim ...Kara karantawa -
Rahoton Kasuwancin Duniya da aka Buga na 2022
Manyan 'yan wasa a cikin kasuwar hukumar da'ira da aka buga sune TTM Technologies, Nippon Mektron Ltd, Samsung Electro-Mechanics, Unimicron Technology Corporation, Advanced Circuits, Tripod Technology Corporation, DAEDUCK ELECTRONICS Co.Ltd., Flex Ltd., Eltek Ltd, da Sumitomo Electric Industries . Duniya...Kara karantawa -
1. Kunshin DIP
Kunshin DIP (Kunshin In-line Dual), wanda kuma aka sani da fasahar marufi na cikin-layi biyu, yana nufin haɗaɗɗen guntun da'ira waɗanda aka tattara a cikin nau'i biyu na cikin layi. Gabaɗaya lambar ba ta wuce 100. Kunnshi na DIP na CPU guntu yana da layuka biyu na fil waɗanda ke buƙatar sakawa cikin soket ɗin guntu tare da ...Kara karantawa -
Bambanci Tsakanin FR-4 Material da Rogers Material
1. FR-4 abu ne mai rahusa fiye da kayan Rogers 2. Rogers abu yana da babban mita idan aka kwatanta da kayan FR-4. 3. Df ko ɓarna na kayan FR-4 ya fi girma fiye da na kayan Rogers, kuma asarar siginar ya fi girma. 4. Dangane da kwanciyar hankali na impedance, ƙimar ƙimar Dk ...Kara karantawa -
Me yasa ake buƙatar murfin da zinare don PCB?
1. Surface na PCB: OSP, HASL, HASL-free gubar, Immersion Tin, ENIG, Azurfa Immersion, Hard zinariya plating, Plating zinariya ga dukan allo, zinariya yatsa, ENEPIG… OSP: low cost, mai kyau solderability, matsananci yanayin ajiya, gajeren lokaci, fasahar muhalli, walda mai kyau, santsi…HASL: yawanci yana da m...Kara karantawa -
Organic Antioxidant (OSP)
Lokuttan da suka dace: An kiyasta cewa kusan kashi 25% -30% na PCBs a halin yanzu suna amfani da tsarin OSP, kuma adadin yana ƙaruwa (wataƙila tsarin OSP ya zarce tin ɗin feshi kuma ya fara girma). Ana iya amfani da tsarin OSP akan ƙananan PCBs ko manyan PCBs masu fasaha, kamar guda-si...Kara karantawa
