Electronics Forum: electronic (Page 4053 of 7890)

Re: MLB PCB DIMENISIONAL STABILITY AND LAMINATE INTEGRITY

Electronics Forum | Fri Mar 06 12:54:37 EST 1998 | Earl Moon

| We have been told that we should bakeout FR4 boards prior to assesmbly - i gather from your discussion that you disagree - any details will be sincerely appreciated. Regards. Please bake. I agree. Let me know how we have a disagreement.

flashing LEDs circuit

Electronics Forum | Thu Feb 26 20:49:09 EST 1998 | Pedro Pellegrini

We are from Brazil and looking for a special kind of microchips: Encapsulated microchip, battery operated, that drive 1 or 2 LEDs (light emissor diode) to blink (JUST AN OSCILATOR). (like the ones used in promotional musical CD box). we need, under s

Re: flashing LEDs circuit

Electronics Forum | Mon Apr 20 00:19:20 EDT 1998 | Marcos Silva

Ola Pelegrini, Trabalho em Sao Paulo, na Siemens. Sou respons�vel pela assistencia tecnica de maquinas insersoras SMD. Acredito que possa consultar nossa divisao de componentes - ICOTRON, a fim de consultar sobre este componente. Nosso telefone: 011-

used wave soldering systems

Electronics Forum | Thu Feb 26 16:49:57 EST 1998 | specnor tecnic corp

we have some rebuilt wave soldering systems in stock ready to be shipped. epk-ii smt with lambda wave, chip wave ,omega wave. 4 preheaters,jacking stand roll out computer control. machine is in a great shape. another machin upk15f with 6 preheaters

Re: Quad "No Good"

Electronics Forum | Thu Mar 26 19:03:31 EST 1998 | Jeff

Quad has done right by me!!! I have worked with "Quadstar 100's, IIC, and a QSX1. The company and their machines are one of best on the market. Tech. support is good if you have a newer machine, On older machines (Quadstar100) it might take a couple

Re: environmental testing

Electronics Forum | Tue Feb 24 18:21:52 EST 1998 | Graham Naisbitt

You should refer to the IPC-J-STD001B and IPC-TM-650, they will give you good recommendations. Also, we do new reliability test systems and if you can give me your address and e-mail, I will send you some more info. Regards, Graham Naisbitt | looking

Re: Flip chip placer

Electronics Forum | Mon Feb 23 14:52:20 EST 1998 | Igmar

| I am looking for component placer that can handle not only smc but also flip chip C4. | If there is any machine satisfying my request, please inform me. | machine name , spec, and so on. You should definitely consider the "Best-in-Class" SIPLACE

Re: Increased SMT design circuit density

Electronics Forum | Fri Feb 20 16:39:51 EST 1998 | Jim Blankenhorn

| I have developed a method to increase SMT circuit density | up to 40%. Looking for interested PCB fabricators and | designers for process improvement. Tell us more. How can it be done and what does it take from a design level. What about solder dra

Re: Increased SMT design circuit density

Electronics Forum | Fri Feb 20 16:34:41 EST 1998 | Jim Humecky Amdahl Corp

| I have developed a method to increase SMT circuit density | up to 40%. Looking for interested PCB fabricators and | designers for process improvement. Earl, What are you doing now. What you're suggesting can't be done without trickery. We've been d

Soldering to Paladium vs. Tin_Lead plated comps

Electronics Forum | Thu Feb 19 16:02:49 EST 1998 | Gary Simbulan

I have been involved in SMT for only a few months so I am coming from a position of extreame ignorance. I have been asked to investigate the differences in soldering to components with Paladium coated leads vs the standard Tin_lead. I would appreci


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