Electronics Forum | Thu Jan 08 11:17:14 EST 1998 | Richard
| A potential purchaser of our products (switchmode power supplies for telecommunications) has asked what the benefits of SMT are to him. | Our marketing people wish to obtain a list of the benefits of SMT to the purchaser of the end product. i.e. th
Electronics Forum | Wed Dec 31 23:02:19 EST 1997 | Scott McKee
| Has anyone had any experience with thermal shocking | and cracking of SMD capacitors during the rework process? | My company was advised to preheat capacitors to 125 C | at a rate of 2 C/sec before replacing them onto boards. | Would this maybe
Electronics Forum | Tue Sep 04 13:41:52 EDT 2001 | Brian W.
IPC7912 deals with the end result, ie an OEM getting boards from a contract manufacturer. I have a friend who is sitting on these committees. He tells me there is a new standard due out for actually doing in-process DPMO. From a process standpoint
Electronics Forum | Sun Oct 07 07:34:25 EDT 2001 | davef
No one wants to be limited to one alternative in evaluating such equipment. Who would you suggest as viable alternatives to: * Cyber Optics in evaluating alternate suppliers for inspection equipment? * Royce Instruments in evaluating alternate sup
Electronics Forum | Fri Sep 07 14:51:36 EDT 2001 | Claude Couture
What kind/brand of machine are we talking about? Are the missing parts randomly distributed or are specific to a feeder/placement/pattern? Does your machine remember where to resume placement if you reset it in the middle of a pattern placement? We h
Electronics Forum | Fri Sep 07 15:17:01 EDT 2001 | seand
Hello Everyone, Speedline Technologies' Electrovert Division does offer a number of batch and in-line systems for your cleaning application. A good contact for you to reach to discuss the details of your application would be Bill Boyde at the facto
Electronics Forum | Wed Sep 26 17:50:59 EDT 2001 | mparker
My Opinion/Editorial- Being a frequent (nearly daily) visitor to SMTnet I find postings by some sales types as being a shameless shilling to drum up business. We even experienced (most recently)an audacious posting that was thinly disguised as being
Electronics Forum | Thu Sep 27 10:28:29 EDT 2001 | John S
It seems to depend on your situation. We're an OEM manufacturer and run the same products for extended periods of time. We monitor process indicators such as Dave listed, but we also monitor process defect trends. This is product specific of cours
Electronics Forum | Fri Oct 05 08:35:52 EDT 2001 | Hussman
Hey Steven, Achieving the proper profile like you described does require you to engineer proper conveyor speeds and zone temps. Most conveyorized ovens have the inside of the ovens divided into zones. Each zone has a top and bottom heater that can
Electronics Forum | Wed Oct 10 13:49:12 EDT 2001 | stepheno
I recently started at a new company. They have a variety of bare PCB's and most have aprox. 20 variations. Maybe about 1/3 of each board on average are non-populated locations. They buy one stencil for each PCB but then use scotch tape to block of
