Bicheng Enterprise Company is an established supplier and solution provider of high quality printed circuit boards(PCB). We offer prototypes and middle volume to large production including TG170, MCPCB and RO4350B material. etc.
Industry Directory | Manufacturer
PCB Global is a dedicated Prototype Quick Turn High Tech. PCB supplier - Quotes and orders can be processed 24/7/365 - free online quotation visit www.pcbglobal.com
New Equipment | Fabrication Services
0.2mm FR4 1OZ Immersion gold 4 layer akenzhang@hrxpcb.cn
Layer: 12 Material: FR4(Tg170) Board thickness: 1.6mm Min trace width/spacing: 4/4mil Min hole size: 0.2mm Impedance control
Electronics Forum | Mon Mar 07 15:35:35 EST 2005 | John M
It has been my experience that the standard Fr4 material (Tg 135c) will discolor when processed at the new higher temperatures required for the high tin alloys... We have been using the High Tg Fr4 (Tg 170c) for many years to ensure this does not hap
Electronics Forum | Thu Sep 03 08:39:53 EDT 2009 | markhoch
I'd be more concerned with the pcb itself then I would be with standard SMT components. Are you using a PCB with a high Tg? (170 degrees C or greater)
Industry News | 2004-02-04 16:52:03.0
Prepare for the 2006 European Deadline
Parts & Supplies | Circuit Board Assembly Products
1). FR-4, Tg 170, 1 oz copper finished 2). 4 layers, 2.5mm thick 3). Min.track/space: 4/4 mil 4). Min. hole size: 0.25mm 5). 50 ohm, 100+/-10% ohm differentail /single impedance control 6). Immersion gold
Parts & Supplies | Circuit Board Assembly Products
1). 100*85mm, FR-4 Tg170/ Polyimide 2). 4 layer count rigid/2 layer flex 3). 1.0mm thick rigid/0.15mm thick flex 4). 1 oz each layer 5). Green LPI solder mask/white ident 6). Immersion gold
