Chifukwa chiyani PCB iyenera kumizidwa mu golide?

1. Kodi Kumiza Golide ndi Chiyani?
Kunena mwachidule, kumizidwa golide ndi kugwiritsa ntchito kuyika kwa mankhwala kuti apange zokutira zitsulo pamwamba pa bolodi lozungulira kudzera muzochita zochepetsera oxidation.

 

2. N’cifukwa ciani tifunika kumizidwa golide?
The mkuwa pa bolodi dera makamaka wofiira mkuwa, ndi zimfundo mkuwa solder mosavuta oxidized mu mlengalenga, amene adzachititsa madutsidwe, ndiko kuti, osauka malata kudya kapena kukhudzana osauka, ndi kuchepetsa ntchito ya bolodi dera.

Ndiye m`pofunika kuchita padziko mankhwala pa mkuwa solder olowa. Kumizidwa golide ndi kumata golide pamenepo. Golide amatha kutsekereza zitsulo zamkuwa ndi mpweya kuti apewe okosijeni. Chifukwa chake, Immersion Gold ndi njira yochizira makutidwe ndi okosijeni pamwamba. Ndi mankhwala anachita pa mkuwa. Pamwambapo ndi yokutidwa ndi golide wosanjikiza, wotchedwanso golide.

 

3. Ubwino wa chithandizo chapamwamba monga kumiza golide ndi chiyani?
Ubwino wa ndondomeko yomiza golide ndikuti mtundu womwe umayikidwa pamwamba ndi wokhazikika kwambiri pamene dera likusindikizidwa, kuwala kuli bwino kwambiri, kuphimba kumakhala kosalala kwambiri, ndipo solderability ndi yabwino kwambiri.

Golide womizidwa nthawi zambiri amakhala ndi makulidwe a 1-3 Uinch. Chifukwa chake, makulidwe a golide opangidwa ndi njira yochizira pamwamba pa Immersion Gold nthawi zambiri amakhala wokhuthala. Choncho, njira yochizira pamwamba ya Immersion Gold imagwiritsidwa ntchito kwambiri m'mabokosi akuluakulu, matabwa a zala zagolide ndi matabwa ena ozungulira. Chifukwa golide ali ndi ma conductivity amphamvu, kukana kwa okosijeni wabwino komanso moyo wautali wautumiki.

 

4. Ubwino wogwiritsa ntchito matabwa omiza golide ndi chiyani?
1. Kumizidwa mbale yagolide ndi yowala mumtundu, yabwino mumtundu komanso yowoneka bwino.
2. Mapangidwe a kristalo opangidwa ndi golide womiza ndi osavuta kuwotcherera kuposa mankhwala ena apamtunda, amatha kuchita bwino ndikuwonetsetsa kuti ali abwino.
3. Chifukwa chakuti bolodi la golide lomiza liri ndi nickel ndi golidi pa pad, sizingakhudze chizindikiro, chifukwa kufalitsa chizindikiro pakhungu kumakhala pazitsulo zamkuwa.
4. Zitsulo za golide zimakhala zokhazikika, mawonekedwe a kristalo ndi ovuta, ndipo machitidwe a okosijeni si ophweka.
5. Popeza bolodi la golide lomiza liri ndi nickel ndi golidi pa mapepala, mask solder pa dera ndi mkuwa wosanjikiza zimakhala zolimba kwambiri, ndipo n'zosavuta kuyambitsa maulendo ang'onoang'ono.
6. Ntchitoyi sidzakhudza mtunda panthawi ya chipukuta misozi.
7. Kupsinjika kwa mbale yomiza golide ndikosavuta kuwongolera.

 

5. Kumiza zala zagolide ndi zagolide
Zala zagolide ndizowongoka kwambiri, ndizolumikizana ndi mkuwa, kapena zowongolera.

Kunena zachindunji, chifukwa golide ali ndi kukana kwamphamvu kwa okosijeni komanso kukhazikika kwamphamvu, mbali zolumikizidwa ndi socket ya memory memory stick zimakutidwa ndi golidi, ndiye kuti zizindikiro zonse zimafalitsidwa kudzera mu zala zagolide.

Chifukwa chala chagolide chimapangidwa ndi zolumikizira zambiri zachikasu, pamwamba pake ndi zokutidwa ndi golide ndipo zolumikizira zimakonzedwa ngati zala, motero dzinalo.

M'mawu a layman, chala chagolide ndi gawo lolumikizira pakati pa memory stick ndi memory slot, ndipo ma siginecha onse amatumizidwa kudzera pa chala chagolide. Chala chagolide chimapangidwa ndi zolumikizira zambiri zagolide. Chala chagolide chimakutidwa ndi golide pa bolodi lachitsulo chamkuwa kudzera mwapadera.

Chifukwa chake, kusiyanitsa kosavuta ndikuti kumizidwa golide ndi njira yochizira pamwamba pa matabwa ozungulira, ndipo zala zagolide ndi zigawo zomwe zimakhala ndi maulumikizidwe azizindikiro ndi ma conduction pa bolodi lozungulira.

Mumsika weniweni, zala za golide sizingakhale golide pamtunda.

Chifukwa cha mtengo wamtengo wapatali wa golidi, zokumbukira zambiri tsopano zasinthidwa ndi malata. Zida za malata zakhala zikudziwika kuyambira 1990s. Pakali pano, "zala zagolide" za mavabodi, kukumbukira ndi makadi ojambula pafupifupi onse amapangidwa ndi malata. Zida, gawo limodzi lokha la malo okhudzana ndi ma seva / malo ogwirira ntchito apamwamba adzapitirizabe kukhala ndi golide, zomwe mwachibadwa zimakhala zodula.