Ni uruhe ruhare abo "padi badasanzwe" kuri PCB gukina?

 

1. Plum blossom pad.

Pcb

1: Umwobo wo gukosora ugomba kuba ayo magambo. Mugihe cyo kugurisha umuraba, niba umwobo wo gukosora ari umwobo uhindagurika, amabati azahagarika umwobo mugihe cyo kwoje kugurisha.

2. Gukosora ibyobo byo gushiraho Inkoko za Quincunx zimaze gushyirwaho hamwe nibice bya PCB ibinyabiziga bya PCB, mubyukuri, GND ihujwe nisi. Rimwe na rimwe, igishishwa cya PCB kigira uruhare rukingira. Birumvikana, bamwe ntibakeneye guhuza umwobo wo gushiraho urusobe rwa GND.

3. Umwobo wa screw urashobora kunyurwa, bikaviramo imbibi za zeru no gucuruza, bigatuma sisitemu idasanzwe. Umwobo uburabyo, nubwo guhangayika gute, bishobora guhora dukomeza gukomera.

 

2. Umwanda wambukiranya.

Pcb

Amapaki yambukiranya kandi yitwa Ububiko bwa Tormal, Air PADS ishyushye, nibindi. Kugabanya itandukaniro ryubushyuhe cyangwa kugirango ukunde kugurisha

1 Iyo padi yawe ari ubutaka. Imiterere ya Cross irashobora kugabanya agace k'umugozi wubutaka, gahoro gahoro umuvuduko wo gutandukana nubushyuhe, kandi koroshya gusuka.

2 Iyo PCB yawe isaba gushyira imashini hamwe na imashini yo kugurisha, igishushanyo cyambukiranya ibicuruzwa kirashobora kubuza PCB gukuramo (kuko ubushyuhe bwinshi bukenewe kugirango ushongeze umusirikare Paster)

 

3. Tearrop Pad

 

Pcb

Amacumbi aratonyanga cyane hagati ya padi na wire cyangwa insinga na hind. Intego ya Teardrop nukwirinda ingingo itunganijwe hagati yinsinga na padi cyangwa insinga na mire iyo ikigo cyumuzunguruko cyakubiswe nimbaraga nini zo hanze. Guhagarika, byongeyeho, gushiraho amacakubiri birashobora kandi gutuma inama yumuzunguruko ya PCB isa neza.

Imikorere ya Teardrop nukwirinda kugabanuka gutunguranye k'umurongo wikimenyetso kandi bigatera gutekereza kuri trase hamwe nibigize padi iriba hagati ya padi na trace byoroshye gucika byoroshye.

1. Iyo ugurisha, birashobora kurinda padi no kwirinda kugwa kwa padi kubera kugurisha amafaranga menshi.

2. Shimangira kwizerwa kw'ihuza (umusaruro urashobora kwirinda kuganduka, ibice biterwa no gutandukana, nibindi)

3. Impetance yoroshye, igabanya gusimbuka ityaye

Mugushushanya inama yumuzunguruko, kugirango pad ikomeye kandi ikumire padi na wire uhagarikwa mugihe cyo gukora imashini hagati ya padi na wire, bityo bikunze kwitwa amarira (tearrops)

 

4. Ibikoresho byo gusohoka

 

 

Pcb

Wabonye abandi bantu bahindura amashanyarazi yahinduwe nkana nkana bapfumu bambaye ubusa umuringa wambaye ubusa munsi yuburyo busanzwe? Ni izihe ngaruka zihariye?

Ibi byitwa iryinyo, ipaki cyangwa icyuho.

Icyuho cya Shork nimpande ebyiri zifite impande zikarishye zerekanana. Intera ntarengwa hagati yintoki ni 10mil kandi byibuze ni 6mil. Delta imwe irahagaze, kandi ubundi ihujwe numurongo wibimenyetso. Iyi mpandeshatu ntabwo aribigize, ariko ikorwa ukoresheje umuringa Foil foire munzira ya PCB. Izi mpandeshatu zigomba gushyirwaho kumurongo wo hejuru wa PCB (Ibigize) kandi ntibishobora gutwikirwa na mask yumugurisha.

Muguhindura amashanyarazi yo kwiyongera cyangwa ESD, voltage ndende izakorwa ku mpande zombi zuburyo rusange mu moductor no gutabarwa bizabaho. Niba ari hafi y'ibikoresho bikikije, ibikoresho bikikije bishobora kwangirika. Kubwibyo, umuyoboro wo gusohoka cyangwa gutandukana ushobora guhuzwa ugereranije na voltage yayo, bityo ukinira inshingano za ARC uzimya.

Ingaruka zo gushyira ibikoresho byo kurinda inzitizi nibyiza cyane, ariko ikiguzi ni hejuru. Ubundi buryo nukwongererana amenyo yo gusohora kumpera yabanjirije muburyo bwa PCB, kugirango infashanyire isohoka mu zindi nzira, kugira ngo ibinyabiziga bikikije bigabanuke.

Icyuho cyo gusohoka ntigisaba ikiguzi cyinyongera. Irashobora gushushanywa mugihe ushushanya ikibaho cya PCB, ariko ni ngombwa kumenya ko ubu bwoko bwo gusohora icyuho cyikirere ari icyuho cyo gusohora ikirere, gishobora gukoreshwa gusa ahantu ESD rimwe na rimwe. Niba ikoreshwa mu bihe ESD iboneka kenshi, kubitsa karubone bizakorwa ku manota ibiri ya mpandeshatu hagati y'ikirere kigufi mu ihohoterwa rigufi kandi ritera burundu imirongo y'ikimenyetso hasi. Bikaviramo kunanirwa na sisitemu.