Electronics Forum: history (Page 3 of 20)

Frequency to verify the reflow profile

Electronics Forum | Fri Jun 03 13:25:07 EDT 2005 | Bob R.

We have enough history to know that frequent profiles are a waste of time. We check the profile once a month, after any significant maintenance, and after a changeover. Other than that we rely on the alarms on the individual zones.

Amistar Offline Programming

Electronics Forum | Mon Sep 26 19:03:09 EDT 2005 | darby

If Amistar can't help try service@ipulse.co.jp I think you may struggle to get this sort of software for free. Tenryu has a history of using hard locks on their off-line software matched to the supplied floppy drive/ CD with serial # etc. Good Luck.

Paste in hole (sate of the art)

Electronics Forum | Wed Feb 15 21:49:40 EST 2006 | Jose Luis Mendoza

Hi there,, Im looking for information about history and evolution of the PIH process. I will use this information for the state-of-the -art in my Master.D tesis project. Any information will be appreciate! Regards. Jos� Luis Mendoza ITESM

Paste in hole (state of the art)

Electronics Forum | Wed Feb 15 21:54:07 EST 2006 | Jose Luis Mendoza

Hi there,, Im looking for information about history and evolution of the PIH process. I will use this information for the state-of-the -art in my Master.D tesis project. Any information will be appreciate! Regards. Jos� Luis Mendoza ITESM jlmen

Reflow Oven Chains

Electronics Forum | Mon Aug 14 13:27:56 EDT 2006 | nitro

It is Castrol. We have a 4.49 gal. can of the 930. Don't know any history of where we got it, or how much we paid.

Upgrading to less obsolete equipment.

Electronics Forum | Wed Aug 23 07:39:09 EDT 2006 | mfoster

Hi Steve, Dynatech will provide parts and support for all Samsung manufactured machines, including the QSA-30. You're welcome to contact us prior to making a decision to discuss the machine history, parts availability, etc. Mike Foster Dynatech mi

Printed Circuit Boards

Electronics Forum | Mon Oct 02 17:33:24 EDT 2006 | russ

nope it will not, I am sure that an FR-4 board has been wave soldered sometime in history Russ

PCB finish for compression mount connectors (LGA's)

Electronics Forum | Tue Dec 19 15:36:12 EST 2006 | zanolli

Does anyone have any reliability history on using compression mount connectors, such as LGA sockets (no soldering of contacts as contact exerts spring pressure on PCB pad) to PCB�s with immersion Au or ENIG finished pads?

Moisture Sensitive shelf life

Electronics Forum | Mon Aug 22 18:25:54 EDT 2016 | cox1

I have a MS level 3 component that has been on the shelf for 7 years. Should it be baked before usage. The HIC card reads ok- and it was stored with desiccant. History of the part is unknown, was purchased from franchised distribution.

Electronic Components Distributors

Electronics Forum | Fri Dec 16 08:26:48 EST 2016 | jacewei

In order to make long-term plans, very good supplier of electronic components, from the supplier's history and company scale of the strength of the company, a good supplier will bring more convenience and cost advantage.www.tenco-tech.com tenco@tenco


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