Electronics Forum: flex cicruit reflow (Page 4 of 12)

Flex PCB through production

Electronics Forum | Sat Oct 19 04:24:56 EDT 2019 | SMTA-Davandran

There is double sided adhesive that able to withstand high temperature during reflow. `keep the adhesive minimum and appropriate location for securing the FPC on pallet during entire SMT process and easier for release of FPC after reflow process. Tak

Re: smt on flexible board

Electronics Forum | Mon Dec 20 07:09:03 EST 1999 | Christopher Lampron

Ron, The simplest way to process fexible PCB's that I have found is to use a process carrier fixture. There are companies that manufacture process carriers that are capable of holding flex through stencil, placement and reflow. The carriers are capab

PCB lamination issues

Electronics Forum | Mon Feb 12 11:12:16 EST 2007 | davef

Q1. After reflow some boards start producing bumps/bubbles which damage the internal layers causeing PCBs failed in Electrical-testing. How can I eradicate this problem from my assembling process? A1. Find a proper board supplier. Q2. If SMT compon

Rigid Flex Application

Electronics Forum | Fri Sep 15 21:24:28 EDT 2006 | realchunks

Use a back door connector. Place and reflow the connector like any other. But, the PC bosrd is cut open directly under the connector allowing the male portion to go thru the PCB and mate with the female connector. Both PCBs would have SMDs mounted

rigid-Flex board via problems

Electronics Forum | Thu Jan 12 13:18:07 EST 2012 | swag

215 to 220 deg.C peak reflow. We bake then store all PCB's in low humidity cabinets (appox. 3% RH) prior to running.

Temperature Profile for 0.2mm Thick ENIG Flex PCB

Electronics Forum | Thu Jan 30 10:12:00 EST 2020 | emeto

More detail Jinesh. Profile, datasheet of the part, stencil design, PCB finish, soldering material. Initially I am assuming you use pallet to reflow 0.2mm thick board.

Assembly of flexi (flexible) circuit boards

Electronics Forum | Thu Jun 26 09:04:43 EDT 2003 | caldon

We had a "Spring loaded" fixture that pulled the Flex tight and used loads of Board supports. There were pins that went through the Connectors holes and held the flex firm. We only had a few components so it was no problem. Lucky for us because the f

BGA chip corner epoxy / adhesive?

Electronics Forum | Wed Dec 06 22:35:05 EST 2006 | davef

Questions are: * When you say, "corner of some board's BGA chips", is it on the top of the package or between the board and the bottom of the package? * If between the board and the bottom of the package, does it span the distance between the board a

How to install FBGA ICs on both sides of Flex boards with no stiffeners ?

Electronics Forum | Thu Aug 09 09:14:22 EDT 2018 | ks0707

Is there any special machines/equipment which are able to install FBGA parts on the very thin flex boards for Printing, Pick & Place, and Reflow ? Q2> Is there any Fixture house who can offer fixtures to enable SMT processes for those assemblies ? Q

Flex Circuits reflowing

Electronics Forum | Fri May 02 12:41:16 EDT 2003 | Chris Lampron

Hi Chris, I had worked for a flex circuit house for 10 years. You should be able to follow your solder paste guidelines for times and temps. You may want to consider pre-baking the flex if it is made with Kapton. Kapton is Hygroscopic and will delam


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