Electronics Forum: what is pcb material require pre-baking (Page 1 of 12)

what ERP software is best for CM?

Electronics Forum | Mon Jan 28 04:39:59 EST 2019 | kiransahu

For instance, do you require recognizability, booking, materials acquiring and taking care of, accounts, Client the board programming, BOM and ECN Control and so on. Do you have frameworks on the shop floor that handle a portion of the abovemention

what is the max print speed? thanks for your help

Electronics Forum | Mon Nov 05 16:54:00 EST 2007 | bbarton

There are several things that can be done to increase throughput on you screen printer, including the panelization of your bords as Steve & Hussman has pointed out. However that's of limited use if you have plenty of stock that is not panelized. That

Conformal coat material dispensed through epoxy needle?

Electronics Forum | Tue Jan 31 12:19:29 EST 2017 | ttheis

We're looking to add conformal coating to some of our pcb's which range from 2x2" to around 6x6". I would like to use a coating material that is not nasty smelling requiring ventilation or filtration if possible. Are there conformal materials that ar

Damaged PCB.. what do you think?

Electronics Forum | Fri Mar 16 10:04:41 EDT 2012 | davef

We'd repair a drop board like this. Here's what our old friend Jeff Ferry said is a published article ... When boards lose their edge: when the corner of a circuit board breaks or is damaged, the problem cannot be ignored by Jeff Ferry One of the m

Desiccants and pcb finish degradation?

Electronics Forum | Mon May 21 17:32:23 EDT 2001 | davef

I said: "Our electronic circuit board fabricators seal the boards in moisture barrier bags [MBB]. We discontinued the use of desiccant bags in these MBB because of concerns about the desiccant releasing materials that would affect the solderability

What is thermal mass?

Electronics Forum | Mon May 23 08:22:31 EDT 2005 | davef

Thermal mass is the ability of a material to absorb heat energy. * A lot of heat energy is required to change the temperature of high density areas, like a ground plane. They are therefore said to have high thermal mass. * Light weight areas, such as

What is the issue?

Electronics Forum | Fri Jul 31 19:14:58 EDT 2020 | emeto

Interesting one. I your machine placement algorithm capable to catch missing ball on the BGA while placing? Second question will be about component itself - datasheet will probably help. BGA body amterial? BGA balls alloy? BGA pad material before bal

What is delta t?

Electronics Forum | Thu Oct 25 11:29:04 EDT 2007 | ck_the_flip

Forget all the bickering and semantics. EVERYONE IS RIGHT!! ...but then again, in soldering, there IS no right, wrong, or indifferent... just blame. :-) Soldering is, after all, the most difficult process with the most opportunities for defects.

What is needed for UL ?

Electronics Forum | Tue Sep 12 12:43:26 EDT 2017 | deanm

50) traces. The design will be tested for safety and a file will be created listing all the critical components such as transformers, relays, wiring, enclosure material, etc. On the manufacturing side, a manufacturing facility must be indicated in

What is the MSL of a PCB

Electronics Forum | Tue Jan 13 15:48:58 EST 2015 | natashakt

170 degrees Celsius) and regular FR4 materials. I am trying to see if we can use table 5 on page 14, "Recommended Equivalent Total Floor Life (Days)" to find out how long (at specific humidity and temperature) our populated and unpopulated PCB's can

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