Birta salka ku salayska birta ah oo saxan oo bir ah Waxay ku kala duwan yihiin halabuurka maaddada, astaamaha waxqabadka iyo meelaha arjiga. Maanta, Tastline ayaa ku siin doonta falanqayn isbarbardhiga ah ee labadan shay ee ka imanaya aragti xirfadeed:
Saldhigga birta salka salad cladn xarkaha ah Muuqaaladeeda ugu weyn waa wada-noolaanshaha kuleylka wanaagsan iyo awoodda kuleylka ee kuleylka ah, sidaa darteed waa mid aad u caan ah codsiyada u baahan jilaynta kuleylka sare, sida iftiinka loo yaqaan 'imples'. Sunta birta waxay si wax ku ool ah kuleylka uga sameyn kartaa dhibcaha kulul ee PCB ee guddiga oo dhan, taasoo ku dhisanta dhigista kuleylka iyo hagaajinta waxqabadka guud ee aaladda.
FR-4: fr-4 waa shey sare oo leh maro galaas galaas ah oo ku xoojiya walxaha iyo resin ee ephoxy ah oo ah xayiraad. Waqtigan xaadirka ah ee loo yaqaan 'PCB' ee sida ugu badan loo isticmaalo, sababta oo ah awood farsamo oo wanaagsan, guryaha korantada korantada iyo guryaha dib-u-dhigista si weyn loo adeegsado waxyaabaha badan ee alaabada elektiroonigga ah. FR-4 waxay leedahay qiimeyn olole dib u dhac ah oo Ul94 V-0, taas oo micnaheedu yahay inay gubto olol waqti aad u yar isla markaana ku habboon in lagu isticmaalo aaladaha elektiroonigga ah ee leh shuruudaha amniga ee sarreeya.
Kala soocidda muhiimka ah:
Qalabka 'Substrate'
Xadgudubka kuleylka ah: Doorashada kuleylka ee xaashida qarka udhaca birta ayaa aad uga badan kan ka mid ah FR-4, kaasoo ku habboon codsiyada u baahan in kuleyl wanaagsan.
Miisaanka iyo dhumucda: Xirmooyinka birta Class ee xaashiyaha ah ayaa sida caadiga ah ka culus FR-4 oo laga yaabaa inay khafiifiyaan.
Awoodda geeddi-socodka: FR-4 way fududahay in la socodsiiyo, ku habboon naqshadeynta lakabka ee isku-xirnaanta badan ee PCB; Birta Class Class saxanka naxaasta ah way adagtahay in la socodsiiyo, laakiin ku habboon lakabka hal-lakabka ama qaab-dhismeedka lakab ah oo fudud.
Qiimaha: Qiimaha birta Clar Class xaashida tilmaanta ayaa badanaa ka sarreeya FR-4 sababtoo ah qiimaha birta sare.
Codsiyada: Birta Cadhada Class ee Clateper ayaa inta badan loo isticmaalaa aalado elektiroonig ah oo u baahan in si kulul u kululeeyaan, sida kontoroolka korantada iyo nalka. Fr-4 waa mid aad u badan, oo ku habboon aaladaha elektiroonigga ah ee caadiga ah iyo naqshadaha lakabka badan ee PCB.
Guud ahaan, doorashada qarkarka birta ama fr-4 badanaa waxay kuxirantahay baahiyaha maaraynta kuleylka ee sheyga, kakanaanta naqshadeynta, qiimaha miisaaniyadda iyo amniga.
