Electronics Forum | Wed Aug 12 07:31:37 EDT 1998 | Earl Moon
| We are taking enquiries for sub-contract work that we hope to be doing by Christmas. One of the enquiries is to assemble chip capacitors and an SO14 onto ceramic. Does the printing process, paste used and reflow process remain the same, or are ther
Electronics Forum | Mon Apr 18 10:07:19 EDT 2011 | wrongway
Hello Jebs we started out that way but the more handaling of the pcb the more problems you will have if you can do it in line and have the pcb's stop at some of the conveyors you can do some inspection. yes all of our machine's are in line now we lo
Electronics Forum | Sat Feb 20 00:13:45 EST 2021 | sync40
Hello, Do anybody know of some source to buy a copy (printed or electronic) of Printed Circuits Boards, Design and Technology, by Walter C. Bosshart? I know that some pages are scanned through Google Books, but I need the complete text. There are
Electronics Forum | Tue Jul 19 08:26:46 EDT 2016 | pavel_murtishev
Aleksander, The answer is no. Solder deposit being printed is 80um-150um in height depending on PCB design what is two times higher than any track covered by solder mask. Molten solder will merely center the component. QFNs are prone to soldering
Electronics Forum | Wed Feb 24 12:12:29 EST 2021 | kumarb
Found some stock in India https://www.amazon.in/Printed-Circuit-Boards-Walter-Bosshart/dp/0074515497
Electronics Forum | Wed Jan 09 18:17:15 EST 2002 | Chris
I don't have a plasma cleaner either. It will help a lot. Actually I don't clean at all. Our wirebond pads are far enough away so the flux residue does not get on the wirebond pads. That's what we think anyway. I am sure we have some degree of c
Electronics Forum | Mon Jul 13 06:30:59 EDT 2009 | hcarrasco
1.- Check your vacuum a.- Check filters b.- Check air flow (the vacuum is generated by a Ventury using air flow, not air pressure) c.- Vaccum vias (Possible linth inside the vacuum lines) 2.- Check the nozzle condition (Probably broken o
Electronics Forum | Wed Mar 12 09:31:55 EST 2003 | MA/NY DDave
Hi Greg, You sound like a buyer or procurement professional. Everything you listed is OK, and more or less. Quite often Engineering Design or Product Management in the OEM establishes what they feel are some of the basic T&Cs. I guess I would ask
Electronics Forum | Wed Aug 10 11:57:16 EDT 2005 | pr
Is the peelable mask (put on by the boardhouse) flat on the surface of the pcb? If so can you tell me the material name, so maybe I can find a picture? We have to print adhesive on the board, so the mask has to be flat. That is why Kapton from the b
Electronics Forum | Wed Jan 16 04:16:11 EST 2008 | grantp
Hi, That's great, and I did not know this was possible, as I did not see that thread when I searched the archives. Do you know of any companies that take your board outline and will design a palette to hold it through the printing, smt loading and
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