Waxaan dammaanad qaadeynaa qiimaha lacagta iyada oo loo marayo tilmaamaha maaddada iyo xakamaynta tayada. Heerarkayaga xakamaynta tayada ayaa aad uga adag kuwa alaab -qeybiyeyaasha kale, waxayna hubiyaan in alaabtayadu ay si buuxda u ciyaari karto waxqabadka la filayo.

Xitaa haddii aysan jirin wax kala duwanaansho ah marka hore, alaab tayo sare leh ayaa aakhirka qiimayn doonta

Waa dusha sare ee aan ku aragno kala duwanaanshaha, kuwaas oo muhiim u ah cimri dhererka iyo shaqada PCB nolosha oo dhan. Macaamiisha mar walba ma arkaan kala duwanaanshahan, laakiin waxay ku nasan karaan in PCB -yada la keenay ay la kulmaan heerarka tayada ugu adag.

Hadday tahay habka wax -soo -saarka iyo isu -imaatinka ama adeegsiga wax ku oolka ah, PCB waa inay lahaataa waxqabad la isku haleyn karo, oo aad muhiim u ah. Marka lagu daro kharashyada khuseeya, cilladaha geedi socodka shirarka waxaa laga yaabaa in PCB -ga la keeno badeecada ugu dambaysa, oo ciladuhu waxay ku dhici karaan habka isticmaalka dhabta ah, taasoo keenta sheegasho. Sidaa darteed, marka laga eego aragtidan, ma aha wax aad u badan in la yiraahdo qiimaha PCB-ga oo tayo sare leh waa mid aan laga fiirsan.

Dhammaan qeybaha suuqyada, gaar ahaan kuwa soo saara badeecadaha meelaha muhiimka ah ee dalabka, cawaaqibka ka dhalan kara guuldarrooyinkaas waa kuwo aan la malayn karin.

These aspects should be kept in mind when comparing PCB prices. Although the initial cost of reliable, guaranteed and long-life products is high, they are worth it in the long run.

Faahfaahinta PCB -ga ayaa dhaaftay shuruudaha fasalka 2aad ee IPC

Guddiga wareegga isku -halaynta sare – 14 astaamood oo ugu muhiimsan oo laga soo xulay 103 astaamood

1. 25 micron god derbiga dalool dhumucdiis

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Kalsoonida la xoojiyay, oo ay ku jirto iska caabinta ballaarinta oo la hagaajiyay ee dhidibka z.

Khatarta ah inaadan sidaas samayn

Dhibaatooyinka isku xirnaanta korontada inta lagu jiro afuufidda daloolka ama degassing, ururinta (kala -goynta lakabka gudaha, jabka derbiga godka), ama cilladaha ayaa laga yaabaa inay ku dhacaan xaalado culeys inta lagu jiro isticmaalka dhabta ah. Heerka IPC 2 (halbeegga ay qaataan inta badan warshaduhu) wuxuu u baahan yahay 20% ka yar dahaarka dahabka.

2. Ma jiro dayactir alxanka ama dayactirka wareegga furan

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Perfect circuit can ensure reliability and safety, no maintenance and no risk

Khatarta ah inaadan sidaas samayn

Haddii aan si habboon loo dayactirin, guddiga wareegga ayaa noqon doona wareeg furan. Xitaa haddii dayactirku ‘sax yahay’, waxaa jira halis ah in lagu guuldareysto marka la eego xaaladaha culeyska (gariir, iwm), oo laga yaabo inay ku dhacdo isticmaalka dhabta ah.

3. Ka gudbidda shuruudaha nadaafadda ee tilmaamaha IPC

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Hagaajinta nadaafadda PCB waxay hagaajin kartaa isku halaynta.

Khatarta ah inaadan sidaas samayn

Ururinta haraaga iyo alxanka ee guddiga wareegga waxay halis u keeni doontaa lakabka ka hortagga alxanka, iyo haraaga ionku wuxuu u horseedi doonaa halista daxalka iyo wasakheynta dusha alxanka, taas oo horseedi karta dhibaatooyin la isku halleyn karo (wada -xire xun / koronto la’aan) , iyo ugu dambayntii waxay kordhisaa itimaalka guuldarada dhabta ah.

4. Si adag u xakamee nolosha adeegga daaweyn kasta oo dusha ah

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Adkeysiga, isku -halaynta, iyo yaraynta halista soo -gelitaanka qoyaanka

Khatarta ah inaadan sidaas samayn

Sababtoo ah isbeddellada biraha ee daaweynta dusha sare ee looxyada wareegga hore, dhibaatooyin alxanka ayaa laga yaabaa inay dhacaan, dhexgalka qoyaanku wuxuu u horseedi karaa delamination, lakabka gudaha iyo kala -sooca derbiga daloolka (wareegga furan) ee hannaanka shirka iyo / ama isticmaalka dhabta ah.

5. Isticmaal substrate -ka caalamka laga yaqaan – ha isticmaalin magacyada “maxalliga” ama kuwa aan la garanayn

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Hagaajinta kalsoonida iyo waxqabadka la yaqaan

Khatarta ah inaadan sidaas samayn

Waxqabadka farsamada oo liita micnaheedu waa in guddiga wareegga uusan u shaqeyn karin sida la filayo marka la eego xaaladaha shirka. Tusaale ahaan, waxqabadka ballaarinta sare wuxuu u horseedi doonaa delamination, wareeg furan iyo warpage. Daciifinta sifooyinka korontada waxay u horseedi kartaa wax -qabad -xumada oo liidata.

6. U dulqaadashada dahaarka dahaarka leh ee naxaasku waa inuu buuxiyaa shuruudaha ipc4101 dabaqadda B / L

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Strictly controlling the thickness of dielectric layer can reduce the deviation of expected value of electrical performance.

Khatarta ah inaadan sidaas samayn

Waxqabadka korontada waxaa laga yaabaa inuusan buuxin shuruudaha la cayimay, waxaana jiri doona kala duwanaansho weyn xagga wax -soo -saarka / wax -qabadka isla dufcadii qaybaha.

7. Qeex qalabka wax iska caabinta si aad u hubiso u hoggaansanaanta shuruudaha fasc ip-sm-840

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Aqoonso khad “aad u fiican”, garow nabadgelyada khad, oo hubso in khad -ka -caabbinta alxanka uu buuxiyo heerarka UL.

Khatarta ah inaadan sidaas samayn

Midabada tayada liidata waxay sababi karaan adhesion, iska caabin dheecaan iyo dhibaatooyin engegnaan. Dhibaatooyinkaas oo dhami waxay horseedi doonaan kala -soocida iska -caabbinta alxanka ee guddiga wareegga oo aakhirka horseedi doona daxalka wareegga naxaasta. Astaamaha dahaarka oo liita waxay sababi karaan wareegyo gaagaaban sababtuna tahay isku xirnaanta korontada oo aan la filayn.

8. Qeex dulqaadyada qaababka, godadka iyo sifooyinka kale ee farsamada

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Xakamaynta dulqaadka adag waxay hagaajin kartaa tayada cabbirka badeecadaha – hagaajin taam, qaab iyo shaqo

Khatarta ah inaadan sidaas samayn

Dhibaatooyinka inta lagu guda jiro shirka, sida isku -dheelitirnaanta / ku -habboonaanta (dhibaatada cirbadda ku habboon saxaafadda waxaa la heli doonaa oo keliya marka la dhammaystiro kulanka). Intaa waxaa dheer, waxaa jiri doona dhibaatooyin xagga dhejinta saldhigga sababtuna tahay kororka leexashada cabbirka.

9. Dhumucda iska caabinta alxanka waa la cayimay, in kasta oo aan lagu qeexin IPC

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Hagaajinta korantada korantada oo la hagaajiyay waxay yareyneysaa halista diirka ama luminta adhesion waxayna kor u qaadeysaa awooda iska caabinta saameynta farsamada – meel kasta oo saameyn farsamo ay ka dhacdo!

Khatarta ah inaadan sidaas samayn

Lakabka iska caabinta dhuuban ee khafiifka ah wuxuu u horseedi karaa adhesion, iska caabin dheecaan iyo dhibaatooyin engegnaan. Dhibaatooyinkaas oo dhami waxay horseedi doonaan kala -soocida iska -caabbinta alxanka ee guddiga wareegga oo aakhirka horseedi doona daxalka wareegga naxaasta. Astaamaha dahaarka oo liita sababtuna tahay lakabka alxanka iska caabin khafiif ah ayaa sababi kara wareegga gaagaaban sababtuna tahay tabinta shilka / arc.

10. Shuruudaha muuqaalka iyo dayactirka waa la qeexay, in kastoo aysan qeexin IPC

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Habka wax -soo -saarka, daryeel taxaddar leh iyo daryeel ayaa abuuraya badbaado.

Khatarta ah inaadan sidaas samayn

Nabaro kala duwan, waxyeello yar, dayactir iyo dayactir – guddiyada wareegga ayaa shaqeeya laakiin uma muuqdaan kuwo wanaagsan. Dhibaatooyinka dusha laga arki karo ka sokow, maxay yihiin khataraha aan la arki karin, saamaynta ay ku yeelan karaan isu imaatinka iyo khataraha isticmaalka dhabta ah?

11. Shuruudaha qoto dheer ee daloolka daloolka

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Godad fiilo leh oo tayo sare leh ayaa yarayn doona halista fashilka inta lagu guda jiro shirka.

Khatarta ah inaadan sidaas samayn

Haraaga kiimikada ee hawsha roobabka dahabka ah ayaa laga yaabaa inay ku sii jiraan godadka leh daloolada godadka oo aan ku filnayn, taasoo keenta dhibaatooyin sida alxanka. Waxaa intaa dheer, kuul daasado ah ayaa laga yaabaa in lagu qariyo godka. Inta lagu jiro kulanka ama isticmaalka dhabta ah, kuul daasado ah ayaa laga yaabaa inay soo baxdo oo sababi karto wareeg gaaban.

12. Peters sd2955 wuxuu tilmaamayaa astaanta iyo tusaalaha xabagta buluugga ah ee diirran

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Magacaabidda xabagta buluugga ah ee diirran ayaa ka fogaan karta adeegsiga summadaha “maxalliga ah” ama raqiis ah.

Khatarta ah inaadan sidaas samayn

Koollada aan fiicnayn ama raqiiska ah ayaa laga yaabaa inay xumbo, dhalaasho, dillaacdo ama u ekaato sida la taaban karo inta lagu guda jiro shirka, si markaas xabagta la marsado aan loo siibin / aan waxtar lahayn.

13. Samee oggolaansho gaar ah iyo habraacyada nidaamyada amar kasta oo iibsi

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Fulinta habsocodkan ayaa hubinaysa in dhammaan caddaymaha la xaqiijiyay.

Khatarta ah inaadan sidaas samayn

Haddii qeexitaanka badeecada aan si taxaddar leh loo xaqiijin, leexashada ka dhalan karta lama heli karo ilaa shirka ama badeecada kama dambaysta ah, ka dibna waa goor dambe.

14. Taargooyinka dushooda leh ee leh cutubyada la burburiyay lama aqbali karo

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Aan la isticmaalin shirarka qayb ahaan waxay ka caawin kartaa macaamiisha inay hagaajiyaan hufnaanta.

Khatarta ah inaadan sidaas samayn

Imtixaanka Report

Nidaamyada shirarka gaarka ah ayaa looga baahan yahay looxyada gaashaan. Haddii loox-ka-go’ay (x-out) aan si cad loo calaamadsanayn ama looga soocnayn sabuuradda dahaarka ah, waxaa suurtogal ah in la isku keeno guddigan xun ee la yaqaan, sidaasna lagu lumiyo qaybo iyo waqti.