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6 Layer FR4 ENIG Impedance Control PCB

6 Layer FR4 ENIG Impedance Control PCB

Kufotokozera Kwachidule:

Zigawo: 6
Kumaliza pamwamba: ENIG
Zida zoyambira: FR4
Chigawo Chakunja W/S: 4/4mil
Wosanjikiza wamkati W/S: 4/4mil
makulidwe: 1 mm
Min.dzenje awiri: 0.25mm
Njira yapadera: Kuwongolera kwa Impedans


Tsatanetsatane wa Zamalonda

Zinthu Zomwe Zimatsimikizira Kusokoneza Kolamulira

The Impedans khalidwe la PCB zambiri zimatsimikiziridwa ndi inductance ndi capacitance, kukana ndi khalidwe.Zinthu izi ndi ntchito za kukula kwa dera, makulidwe a dielectric ndi dielectric a PCB substrate material.Nthawi zambiri, kutsekeka kwa mzere wa PCB kumachokera ku 25 mpaka 125Ω.Mapangidwe a PCB omwe amatsimikizira mtengo wa impedance amakhala ndi izi:

M'lifupi ndi makulidwe a mizere yamkuwa pamwamba ndi pansi

Kukula kwa mawaya amkuwa pamwamba ndi pansi.The mkati wosanjikiza ndondomeko osiyanasiyana msonkhano ndi dera ndi 0.5oz 3/3mil kuti 6oz 15/12mil mkuwa chizindikiro mzere, ndi akunja mzere mtunda zimasiyanasiyana 1/3oz 3/3mil kuti 6oz 15/12mil.

Kukhuthala kwa mbale kapena semi-cured sheet makulidwe mbali zonse za waya wamkuwa

Semi-cured sheet imagwiritsidwa ntchito ngati chomangira chomangira matabwa onse apakati mu PCB.Mukamapanga PCB yowongolera, makulidwe a pepala lopukutidwa mbali zonse ziwiri za board yayikulu ayenera kukhala ofanana.

Dielectric yosasinthasintha ya PCB yapakati ndi pepala lochiritsidwa

Ngati kusinthasintha kwa dielectric kwa mbale yapachiyambi ndi pepala lopukutidwa ndi theka ndizosiyana, kusokoneza kumasinthanso.Choncho, dielectric zonse ziwirizi ziyenera kukhala zofanana.

Chiwonetsero cha Zida

5-PCB wozungulira bolodi basi plating mzere

Mzere Wokwera Wokha

PCB dera gulu PTH kupanga mzere

Chithunzi cha PTH

15-PCB dera gulu LDI basi laser kupanga sikani mzere makina

LDI

12-PCB dera gulu CCD kukhudzana makina

Makina Owonetsera a CCD


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