Electronics Forum: rounding pcb edge (Page 8 of 51)

PCB Laser Depaneling

Electronics Forum | Wed Aug 30 05:39:00 EDT 2017 | alexandrdmc

Set 3-pieces, Swimming Mobile Phone Waterproof Dry Bag, iphone waterproof pouch. It is not only have Waterproof effect, it's also can usd the normal use of the phone function, such as Touch, take pictures, send text messages, answer the phone and so

PCB outer dimensions

Electronics Forum | Mon Jan 21 16:01:04 EST 2008 | fsw

All, I have a customer requirement for a PCB that has rounded corners with a radius of 0.031". Present brd house says this cannot be met. Any comments?

warp and twist

Electronics Forum | Mon Feb 13 23:05:02 EST 2017 | swestheimer

I have been asked a very good question but have not been able to find a good answer. IPC for both PCB and PCBA refer to the X & Y dimensions to measure warp and twist but how would you determine the warp and twist for a round PCB or PCBA?

Gold Finger Edge Connector Bevelling after process

Electronics Forum | Sun Apr 12 10:44:44 EDT 2015 | proy

I have a small PCB which has gold finger edge connector along one side. This limits the PCB fabricator panelization due to the bevel required on the edge connector Does anyone know of a simple process to add the bevel AFTER the boards are assembled a

PCB bows after wave soldering

Electronics Forum | Fri Jul 09 06:51:46 EDT 2010 | cobar

Try titanium edge stiffners on the PCB before making solder pallets.

Re: fiducials

Electronics Forum | Mon Jun 14 09:33:54 EDT 1999 | Adam Pratt

| In past PCB designs I have cleared all traces from all layers | (except pwr/gnd) from fiducial area. It has come to my attention that this is only necessary on the side where fud is placed. Which is the correct method of design using a fidicial?

Waves soldering: not enough solder remaining on pads

Electronics Forum | Mon Jul 31 20:34:58 EDT 2017 | zsoden

Hi all, it has been a bit of a delay but I've finally had a chance to do some further investigation on this. First off, we spend some time to clean the solder bath using Kester Solder Saver and scooped out a lot of crap. We then added about 5kg of

Re: Solder Wetting

Electronics Forum | Tue Dec 14 20:57:07 EST 1999 | Curtis T.

John, I have never seen black pad covering a majority of the board, that would be a scarry thought. I think he is talking about building modules (sims dims) and getting soldering spatering on the gold edge connectors. We went the rounds with that s

MAGNIFICATION

Electronics Forum | Fri Aug 31 10:26:20 EDT 2001 | jacob

I recently purchased some magnifiers without doing much research at all and now I realize I should have come here first. The units we bought have a round lens and people are complaining that they can see in the middle of the ring but their vision get

Poor Fuji recognition of PhyComp 0603 (1608) cap

Electronics Forum | Wed Aug 28 03:16:14 EDT 2002 | bentzen

Hi. I have a huge problem with Fuji CP643 recognition of 0603 (1608) capacitors from PhyComp. The terminations appear round with no clear corner edges. I have used vision type 10 but also tried others without luck. For certain parts I have 10 - 20 %


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