Electronics Forum: flexible pcb (Page 8 of 12)

Re: SMD mounting height

Electronics Forum | Tue Apr 28 14:50:43 EDT 1998 | Chrys

| | We have to mount our SMD devices 0.1 to 0.4 mm off the pcb | | PCb substrate to compensate for thermal stressing in a | | Space enviroment. Has any one any ideas or contacts for | | dissolvable pads. this only applies to leadless components | Ro

i have to buy one NXT from Fuji What do you think???

Electronics Forum | Thu Dec 16 01:30:33 EST 2004 | vinitverma

I respect your statements about the FCM-I but only partially. Yes it was meant for ONLY HIGH VOLUMES, but in those cases, it has proved to be a masterpeice. Talk to those who've used the machines for 70000 hours or so. I have customers here that're u

Conveyers Between SM Machines

Electronics Forum | Fri Aug 31 16:32:18 EDT 2018 | solderingpro

Conveyors allow for progressive indexing and buffer zones within an SMT line. Not only do they allow technicians improved access to machines for troubleshooting or technical support (which they are VERY Thankful for), but they allow (As many people

Mydata Pick and place

Electronics Forum | Wed May 09 12:07:52 EDT 2001 | caldon

My personal favorite is the Siemens F series and the UIC GSM platform. Both Siemens and UIC have awesome resources for csp, flipchip and baredie processing - Siemens= Dan Baldwin from GaTech; UIC = George Westby from UIC labs. My second choice would

Re: TCE for Ais

Electronics Forum | Thu Jun 25 15:33:51 EDT 1998 | Earl Moon

| | Hi there, | | Does any one know what is TCE for fully wet saturated FR4. I came to know that for Dry FR4 the TCE is about 15-19 PPM �C. Is that true? | | | | Appreciated for your help. | | rgs, | | chiakl | Chiakl, | It looks like you are speaki

Evaluating SMD Adhesives

Electronics Forum | Mon Aug 27 15:02:45 EDT 2001 | davef

It�s uncommon to test green strength. [Whatever �green strength� is. Some chip bonder adhesive suppliers have taken to taking about improvements in �green strength� their literature. We have asked sales types to quantify this and have never heard

Batch Ovens

Electronics Forum | Tue Nov 08 19:10:18 EST 2005 | JeffP

No question that metal retains a lot of heat (slow to heat up and slow to cool down). But again in a batch oven, it mainly boils down to the heater. I know, until you see proof you are skeptical. I think by posting a url to product specs will

ionic residues on the surface of printed circuit assemblies

Electronics Forum | Wed Sep 02 16:41:44 EDT 2009 | pcbcleaning

Advanced Cleaning Solutions is a Johnstown, PA based electronic manufacturing service provider (EMS) with more than 3,500 square feet of ESD safe facilities. Our services include precision PCB cleaning and ionic cleanliness testing/verification usin

through hole questions

Electronics Forum | Wed Nov 19 15:48:48 EST 2014 | gregp

Thank You Adam...this is the type of input I am looking for. To summarize, you are an OEM that has gone through the process to remove most through hole parts from your assemblies. Those that remain are primarily connectors which may not require lea

Flexible Circuit Board Finish ENIG or Hard Gold?

Electronics Forum | Wed Aug 24 16:30:11 EDT 2016 | shawn_halo_1

I have a 1oz Flex PCB (FPC) that has 2 0.4mm pitch connectors that need to be SMTd and 9 4.5x1.0mm pads that have conductive rubber contacts that are press fitted onto the FPC. The FPC has a one time bend radius of 15.5mm. Image is attached that show


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