Cov txiaj ntsig ntawm lub rooj tsavxwm luam tawm yooj ywm yog dab tsi?
Flex circuit muaj qhov zoo ntawm cov xov hluav taws xob ceev, lub teeb yuag, nyias nyias, khoov tau, yooj ywm, thiab lwm yam.
Ua ntej, nws tuaj yeem tiv taus ntau lab qhov kev khoov dynamic yam tsis ua rau cov hlau puas tsuaj, txav mus los thiab nthuav dav raws li qhov xav tau ntawm qhov chaw teeb tsa, paub txog kev sib dhos peb-seem, thiab ua tiav cov txiaj ntsig ntawm kev koom ua ke ntawm kev sib dhos khoom thiab kev sib txuas hlau.
Tom ntej no, cov PCBs uas yooj ywm muaj cov khoom siv hluav taws xob zoo heev. Qhov dielectric tsis tu ncua qis dua tso cai rau kev xa cov teeb liab hluav taws xob sai; cov khoom siv thermal zoo ua rau nws yooj yim rau txias cov khoom; qhov kub hloov iav siab dua lossis qhov chaw yaj ua rau cov khoom ua haujlwm zoo ntawm qhov kub siab dua.
Tsis tas li ntawd xwb, vim peb tuaj yeem sib sau ua ke feem ntau ntawm cov khoom siv ntawm cov khoom siv khov kho, thiab cov khoom siv flex yog siv rau kev sib txuas, qhov kev ntseeg tau ntawm kev sib dhos thiab cov txiaj ntsig ntawm cov PCBs flexible yog siab dua.
Cov ntawv thov ntawm lub rooj tsavxwm luam tawm yooj ywm yog dab tsi?
Cov PCBs uas yoog tau siv dav hauv cov khoom siv uas rhiab heev rau lub cev vim lawv muaj kev ywj pheej los tiv taus kev co. Lawv cov cheeb tsam siv tau piav qhia hauv qab no.
1) Cov khoos phis tawj thiab cov khoom siv ntxiv
2) Dav hlau, drones, thiab cov koob yees duab
3) Tsheb
4) Xov tooj ntawm tes
5) Cov khoom siv kho mob
6) Cov khoom siv hnav tau
7) Kev siv rau hauv kev lag luam: Piv txwv li, cov PCBs uas yooj ywm kuj siv rau hauv kev lag luam tshuab thiab kev tswj hwm kev faib hluav taws xob
8) Cov khoom siv tub rog
9) Kev Tsim Kho Dav Hlau
Qhov txawv ntawm flex PCB thiab rigid-flex PCB yog dab tsi?
Cov PCBs flex tsuas yog tsim los ntawm cov khoom siv PCB yooj ywm xwb, xws li PI thiab PET, thaum cov PCB yooj ywm sib xyaw ua ke ob qho tib si cov khoom siv ruaj khov (feem ntau yog cov khoom siv FR4) thiab cov khoom siv yooj ywm ua ke. Yog li ntawm cov laug cam flex, tag nrho cov laug cam circuit yooj ywm tuaj yeem khoov tau; tab sis ntawm cov PCB yooj ywm, tsuas yog ib feem ntawm cov khoom siv yooj ywm no tuaj yeem khoov tau.
Qhov loj ntawm qhov thiab cov ntaub pua plag uas nyiam siv rau cov PCBs uas yoog tau yog dab tsi?
Qee cov ntaub ntawv flex, xws li Kapton, tsis tho zoo li cov ntaub ntawv ib txwm. 10 mils thiab siab dua yog qhov zoo dua rau qhov me me, tsuas yog nyob rau hauv qhov flex. Cov lus qhia Rigid-flex zoo ib yam li cov lus qhia rigid board. Qhov loj me ntawm Pad, cov txheej txheem plating rau flex yog tsuas yog lub thoob (phab ntsa qhov).