6 Layer FR4 ENIG PCB njikwa ihe mgbochi
Kedu ihe kpatara PCB ji eme impedance?
PCB impedance na-ezo aka na nguzogide na paramita nke reactance, nke na-eme dị ka ihe mgbochi na ọzọ ugbu a.Nhazi impedance dị mkpa na PCB.Nke a bụ ihe kpatara ya:
1, PCB na-atụle nkwụnye nkwụnye nke ngwa eletriki, SMT patch plọg kwesịkwara ịtụle conductivity na mgbaàmà nnyefe arụmọrụ, ya mere ọ ga-achọ ala impedance, mma.
2, PCB na mmepụta usoro site na ọla kọpa deposition, electroplating tin (ma ọ bụ electroless plating, na-ekpo ọkụ ịgba tin), njikọ soldering na ndị ọzọ Filiks, ihe na-eji ga-adị ala resistivity, iji hụ na mkpokọta impedance uru nke sekit osisi izute. ihe achọrọ mma ngwaahịa, iji rụọ ọrụ nkịtị.
3, PCB tin plating bụ ihe kachasị mfe na nsogbu na mmepụta PCB dum, bụ isi njikọ na-emetụta impedance;Ya nnukwu ntụpọ bụ mfe ọxịdashọn ma ọ bụ deliquesce, ogbenye brazing, nke mere na PCB siri ike weld, impedance dị oke elu, na-akpata na-adịghị mma conductive arụmọrụ ma ọ bụ dum PCB arụmọrụ bụ kwụsie ike.
4, onye na-eduzi na PCB ga-enwe mgbasa ozi dịgasị iche iche, eriri n'onwe ya n'ihi etching, ọkpụrụkpụ lamination, obosara waya na ihe ndị ọzọ, ga-eme ka mgbanwe mgbanwe nke impedance, mee ka mgbagha mgbaàmà, na-eme ka arụmọrụ nke sekit ahụ pụta. ọdịda osisi, ya mere ọ dị mkpa ijikwa ọnụ ahịa impedance n'ime oke ụfọdụ.
Ngosipụta akụrụngwa
PCB akpaghị aka plating Line
PCB PTH ahịrị
PCB LDI
Igwe ihe ngosi PCB CCD
Ihe ngosi ụlọ ọrụ
Ebe nrụpụta PCB
Onye nnabata onye nchịkwa
Ụlọ Nzukọ
