477 ipc and 36 results

Electronics Forum: ipc and 36 (Page 2 of 48)

Pad and Component Dimensions

Electronics Forum | Mon Jun 02 11:36:23 EDT 2003 | swagner

A good place to get the data you are interested in would be Philips CFT design guidlines.

CCGA and overprinting?

Electronics Forum | Mon Oct 15 12:42:36 EDT 2001 | davef

I hate getting "roped" into math stuff, but here I go again ... Area of aperture = volume of paste / stencil thickness = {[5000 mil^3] / 5 mil} = 1000 mil^2 Side of the square aperture = Sqrt of the area = [1000 mil^2]^1/2 = 32 mil Diameter of ape

warp and twist

Electronics Forum | Tue Feb 14 09:10:43 EST 2017 | davef

Assuming the traces run parallel and perpendicular to each other, I'd choose one direction the traces run as "x" and the other direction for "y." Then I'd pick a unique identifier on the board to insure proper orientation. Next, I'd measure warp and

Re: SERA and ROSA

Electronics Forum | Mon Nov 08 14:18:10 EST 1999 | John Thorup

Reduced Oxide Soldering Activation is an electrochemical method of restoring the solderability of surfaces. Searching the archives of IPC technet and this forum will reveal more details. John Thorup

Pad and Component Dimensions

Electronics Forum | Tue Jun 03 01:50:10 EDT 2003 | jedduan

Hi Evtimov, You can get some information from IPC-SM-782A. Good luck! jed

Inspection and Sorting House

Electronics Forum | Thu Nov 18 18:49:24 EST 2004 | Haran

We are looking for a Inspection house in China to perform Inspection and Sorting on PCBA manufacturing process and product at various MNC's. Well verse with IPC requirement.

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?

Sequenced tape and reel

Electronics Forum | Tue Apr 25 13:55:36 EDT 2000 | Rob Cass

Sequenced tape and reel I have talked with several companies, regarding sequence taping and reeling of axial components. However, non-are capable of SEQUENCING tape and reels for axial insertion. Please let me know of any companies that SEQUENCE.

Reflow glue and past.

Electronics Forum | Tue Feb 08 12:36:28 EST 2000 | Charlie

I'm looking for information from both those who do cure glue and reflow past with the same profile and those who have tried and decided against it. What were the problem? What are the limitations?