Electronics Forum | Thu Oct 11 22:25:50 EDT 2001 | davef
Bruce I�m with yall. Designers and fabricators say �pins�. You say: * BGA pins are 1mm [0.039�] pitch. * BGA pads are 0.4mm [0.0157�] diameter. * BGA pins are 0.6 mm [0.024�] side-to-side. * Board thickness is ~0.4 mm [0.015�] First, as you can
Electronics Forum | Wed Jun 26 21:05:15 EDT 2002 | ianchan
Hi Dave F, customer calls it "warp", we can call it "twist/bow"..etc. the "warp" occurs on individual PCB cells of 28per each panel. the overall dimension of the panel is 139mm x 168mm, and each individual PCB cell is 2.4mm x 1.2mm. Thickness is 0.
Electronics Forum | Wed Feb 15 01:32:56 EST 2006 | tk380514
I need to change Drill holes sizes in a PCB from 0.6mm to 0.55mm. Do it need to change anything else other than the Drill hole size in the INfo section of the Gerber file, for example do i also need to change the artwork of the other layers if the dr
Electronics Forum | Thu Jan 17 20:33:05 EST 2002 | ianchan
Hi, Can anyone help explain the benefits/disadvantages of bareboard pcb baking, as part of the pre-heat conditioning, before the bareboard pcb use in SMT production run? The pcb board is 200mm x 240mm panelized pcb board, and has 28 smaller pcb boa
Electronics Forum | Fri Nov 30 00:51:10 EST 2007 | vinitverma
Here are the differences (Eclipse vs Eclipse II) Optimum Speed: 5000 vs 6500cph Feeder Positions (8mm) : 80 vs 94 PCB Loading Time : 4s vs 5.3s PCB Thickness : 0.6-3mm vs 0.5-4mm Max Component Size : 32mm vs 45mm (optional camera possible on Eclipse
Electronics Forum | Mon Feb 08 20:18:39 EST 2010 | city4497s
Hi I'm looking for a auto mold machine for PCBA application in singapore, anyone have any recommendation. My PCB size is 160mmX42mmX0.6mm, the units are arrange in array form and there are about 12 ~ 20 unit per strip. the mold size is about 15mmX5m
Electronics Forum | Wed Mar 14 13:52:11 EDT 2007 | Oswaldo Rey
Vias are thru hole, pcb is two sided, bottom copper is 2 sq inches, vias are 0.6mm diameter. thanks,
Electronics Forum | Fri Jul 01 04:15:58 EDT 2005 | pci
Hello I am looking for a best solution to make a prototype of Single sided and double sided board. Using Orcad. The line / track width are 8/8 mil. the hole sizes are 0.6 0.8 , 1.2 and 2.6 mm. The size will be approx. 175 x 130mm. Could you please
Electronics Forum | Thu Jul 12 10:15:12 EDT 2007 | swag
I've got a proto build (3 boards) that has a Xilinx FG456 fine-pitch BGA on it. Every BGA pad on the PCB has an unmasked via attached. Between the via and the pad is a thin soldermask strip, maybe .005" wide at best. I am very confident it will br
Electronics Forum | Tue Mar 13 17:29:18 EDT 2007 | Oswaldo Rey
I placed a Maxim MAX16810 38 pin TQFN with a power pad ground on the bottom of the chip on a prototype board FR4 doble sided. Vias of 0.6 mm where placed underneath part, 6 vias in total. Solder was placed with an air operated syringe, land pattern w
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