Electronics Forum: parylene and connectores (Page 1 of 8)

Parylene Coating and BGA Reliability

Electronics Forum | Fri Oct 18 12:40:35 EDT 2013 | robertwillis

Back in the mists of time there were two papers on the use of Parylene Coating and the improved thermal cycling results in 1990. It was on LCCC then shortly after on BGA. Does anyone know of results of recent trials or have a copy of the BGA papers.

Re: Paste-in_hole and CTE

Electronics Forum | Fri Jul 28 14:34:13 EDT 2000 | Gary Simbulan

Belive it or not, these boards were run through a Centech batch mode Vapor Phase machine. Single stage top side IR preheat. Vapor temp 218 C. Solder paste is an SN62 RMA.The boards were FR4 8 layer w/ solder mask, fairly conventional as might be e

Parylene Coating and BGA Reliability

Electronics Forum | Mon Oct 21 11:03:15 EDT 2013 | davef

I don't know about the papers that you seek. Try: Rakesh Kumar, Specialty Coating Systems, Inc., 7645 Woodland Drive, Indianapolis, IN 46278; 317-472-1266 F317-244-1215 rkumar@scscoatings.com


Electronics Forum | Wed Jan 15 07:28:15 EST 2003 | Jean-Philippe

Its not really an electromagnetic device, its just a feeder for connectors.

0402's and Gluing.............

Electronics Forum | Wed Feb 16 16:41:31 EST 2005 | Mrduckmann2000

Pallets will not work in this case because the wonderful designers put 0402's between the legs and all around the legs of the thru-hole connectors. There are 18 thru-hole connectors on this board and 200 - 0402's around them. The 0603's that are al

Component Obsolescence and Availability

Electronics Forum | Thu Apr 07 14:05:53 EDT 2022 | SMTA-69080803

@cbart It's a mid-volume product and as I said, there are several boards (slightly different layouts) using the same component. When you say ISI, do you mean connectors? can you give me an example of what you used in the past?

Flexi boards and uBGA

Electronics Forum | Thu Jul 06 13:36:37 EDT 2006 | SWAG

We've had much trouble with flex circuits. As previously mentioned, you must have local fids for the board or the BGA itself (if panelized). Other troubles we experience are drilled holes for pinned connectors. Unless the PCB manufactur has some w

Flexi boards and uBGA

Electronics Forum | Mon Jun 26 08:54:35 EDT 2006 | dougs

We have a new product in where a 0.7mm pitch uBGA is to be placed on a 2 layer flexi board. Also a 20thou pitch connector. Has anyone done anything like this before, what should i look out for. Not done much flexi work before so any tips will be g


Electronics Forum | Sat Jul 29 09:10:16 EDT 2006 | davef

Ball Grid Array (BGA). A surface mount technology leadless package with the connectors to the board placed in an array on the bottom of the package. They are attached to the board with tiny balls of solder placed on each contact. Pin Grid Array (P

Wave flux and profiling

Electronics Forum | Mon Dec 18 23:24:50 EST 2006 | grantp

Hi, Yes, I would hate to resort to cleaning, but the product must be clean. We have been using palettes to keep most of the flux off the PCB, but there is still residue around the connectors. Does anyone suggest a good no clean flux to use with le

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