Barka da zuwa gidan yanar gizon mu.

12-Layer-PCB

Takaitaccen Bayani:


Cikakken Bayani

Wasu karinbayanidon wannan 12 yadudduka PCB

Layin allo: 12 yadudduka

Kauri na ƙarshe: 1.6mm

Jiyya na Surface: ENIG 1 ~ 2 u"

Abubuwan Kulawa: Shengyi S1000

Gama kauri na Copper: 1 OZ Layer Layer, 1 OZ out Layer

Launin Soldmask: Green

Launin Silkscreen: Fari

Tare da Sarrafa Impedance

Makafi & binne vias

12-layers-PCB (3)

Menene ainihin ƙa'idodin impedance da la'akari da ƙira don allunan multilayer?

Lokacin zayyana impedance da stacking, babban

tushe ne PCB kauri, adadin yadudduka, impedance

bukatun darajar, girman halin yanzu, amincin sigina,

Mutuncin iko, da sauransu. Ka'idodin magana gabaɗaya

sune kamar haka:

1. Laminate yana da siffa;

2. Impedance yana da ci gaba;

3. Matsakaicin ma'anar da ke ƙasa da ɓangaren ɓangaren ya kamata ya zama cikakkiyar ƙasa ko tushen wutar lantarki (yawanci Layer na biyu ko Layer na penultimate);

4. Jirgin wutar lantarki da jirgin kasa suna haɗe sosai;

5. Siginar siginar yana da kusanci kamar yadda zai yiwu zuwa layin jirgin sama na tunani;

6. Rike nisa tsakanin siginar sigina biyu masu girma gwargwadon iko.Hanyar hanya ce ta orthogonal;

7. Matsakaicin nuni guda biyu a sama da ƙasa da siginar suna ƙasa da ƙarfi, ƙoƙarin rage nisa tsakanin siginar siginar da ƙasan ƙasa;

8. Tazarar sigina daban-daban ≤ 2 sau da faɗin layin;

9. Prepreg tsakanin yadudduka shine ≤3;

10. Aƙalla takarda ɗaya na 7628 ko 2116 ko 3313 a cikin Layer waje na sakandare;

11. Tsarin amfani da prepreg shine 7628 → 2116 → 3313 → 1080 → 106


  • Na baya:
  • Na gaba:

  • Ku rubuta sakonku anan ku aiko mana