Electronics Forum: planarization (Page 1 of 12)

Equipment for planar tech. process reseller

Electronics Forum | Wed Apr 12 11:06:05 EDT 2006 | pavel_murtishev

Good afternoon, I'm very sorry for commercial post, but... We are seeking for supplier of used equipment for planar technological process (equipment for producing of microelectronic chips) in the US. Please let me know if you know anyone. Thanks in

SMT sockets co-planarity problem

Electronics Forum | Wed May 16 02:59:53 EDT 2007 | pavel_murtishev

Good morning, What kind of placement equipment do you use? Many of placement machines have co-planarity check sensors. Switch them on. BR, Pavel

Flex Circuit Assembly Process (Sitiffeners)

Electronics Forum | Fri Oct 01 13:09:18 EDT 2010 | clampron

Good Afternoon, How is the stiffener adheared? If it is laminated to the flex, it may help you with the surface planarity through reflow. If it put on with PSA, it may cause more problems then it would solve. PSA gets soft through the reflow. It may

Stencil and PCB Coplanarity measurement

Electronics Forum | Mon Apr 09 11:39:32 EDT 2018 | emeto

The easiest way to do without special tools is to use level. Check machine co-planarity on the conveyor rails in both directions(you can do that with rails down or rails up or both). Then check co-planarity on the stencil. If the level shows the sam

Re: SMT assembly on Punch/return boards

Electronics Forum | Thu May 18 20:47:14 EDT 2000 | Dave F

Ed: It might be possible, never tried tho, but if an engineer wandered in, talking about it ... Printing: Makes me pretty nervous, because punched boards are not planar, don�t stay planar, and are inconsistently not planar. If I could work-out th

Re: coplanarity

Electronics Forum | Wed Dec 15 10:09:29 EST 1999 | Karl

CoPlanarity also applies to height.

Baking planars after new BGA placed.

Electronics Forum | Tue Aug 15 08:38:59 EDT 2006 | John N

Thanks guys.

SMT sockets co-planarity problem

Electronics Forum | Mon May 14 22:53:12 EDT 2007 | davef

What is it about your incoming inspection procedures that allow these components to your assembly area?

BGA Rework - To Paste or Not to Paste (just Flux)

Electronics Forum | Fri May 07 20:08:39 EDT 2004 | Ken

...um also, don't forget that ther are planarity issues associated with BGA devices AND bow-and-twist issues with PCB materials. An example I have one BGA device that has a ball planarity of 7 mils!!! Ant that's the OEM specification! THis will re

Baking planars after new BGA placed.

Electronics Forum | Mon Aug 14 08:18:24 EDT 2006 | John N.

Hi all, I work for a service company who do SMT repairs for a Blue Chip. The JEDEC standard doesn't seem to mention how long (if at all) you should bake a planar after placing a new BGA (after field failure). Any ideas? Thanks in advance. regards Joh

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