Electronics Forum: changes (Page 227 of 516)

Re: Solder Beading Solder Balling

Electronics Forum | Fri Aug 06 06:13:37 EDT 1999 | Wolfgang Busko

| | | | | | | | | | | | | | | | | | Hello, | | | | | If you are using no-clean and they are entrapped in the flux it is also IPC accepted but i havent found a customer yet who agrees with that. Im sure you have checked your profile. I had the same

SMTnet 2.0

Electronics Forum | Mon Jan 15 11:57:28 EST 2001 | bdoyle

Well as you have probably already noticed we relaunched our website this past weekend. It was a lot of work and took a little while but its finally here. That doesn't mean that we're "done" by any stretch of the imagination though. Most of the sit

Re: Which SMD placement machines are easiest to use?

Electronics Forum | Thu Jan 27 06:12:14 EST 2000 | Dean

Opeator point of view: 1. eassy to read menues. Organized structure. Large text and use of color to indicate important info status...green=good, yellow= warning, red=fatal etc. Simplicity rules in this realm. GUI are great for operations screens

Re: screen printer x axis

Electronics Forum | Fri Sep 17 23:59:40 EDT 1999 | JAX

| | | HI everyone, | | | | | | We are using a Siemens ap-25 screen printer, in the past we have not had any problems with adhesive placement until a couple of weeks ago. It seems the x axis has decided that it should be set somewhere between .00

Re: Substitute parts

Electronics Forum | Thu Sep 02 17:01:30 EDT 1999 | Brian

| | Do any SMTneters out there have a good solution to substitute SMT parts that you are willing to share? I presume all of us have the issue where purchasing wants to buy "the same part" from a different vendor. While the part may be the same electr

Re: pitch

Electronics Forum | Mon Jun 07 13:51:48 EDT 1999 | Dave F

| | We are changing from through-hole to SMT, wondering what pitch requirements would an 8 pin SOAC require for pick and place? We think that this would be our finest pitch part. | | | | | | | John: Never heard of an "SOAC." SO packages are 50

Re: pitch

Electronics Forum | Mon Jun 07 20:12:42 EDT 1999 | John Martell

Thanks for the advice, I'll check out that site. | | | We are changing from through-hole to SMT, wondering what pitch requirements would an 8 pin SOAC require for pick and place? We think that this would be our finest pitch part. | | | | | | | |

Re: Siemens Reliability

Electronics Forum | Tue Mar 09 13:53:21 EST 1999 | Tom B.

We use Siemens equipment at our plant. I agree with what everyone said in the forum. These machines are primarily made for fixed or specfic PCB runs. The feeders are very well built as others have metioned. If you plan on excessive change over's,

Re: DI Water Cleaning / Need To Control Resitivity More?

Electronics Forum | Tue Sep 01 10:32:51 EDT 1998 | Ben Salisbury

| We�ve been thinking again and need your help in sorting through an issue related to deionized (DI) water cleaning of assembled boards. | THE BACKGROUND: The water reclaiming systems goes: gross filter, fine filter, carbon bed, mixed resin bed, ca

Re: Reflow Oven Evaluation Using Cpk

Electronics Forum | Sat Mar 21 12:10:03 EST 1998 | Philip C. Kazmierowicz

| Cpk's on top flight ovens (e.g., Conceptronics, Heller, Electrovert, Vitronics) vary wildly, from 1 to 2+, between different supplers. The suppliers don't seem to understand Cpk's. A supplier's rep whose oven has a Cpk of 1.0 told me: | 1. Cpk's


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