Electronics Forum: electro (Page 8 of 14)

large smt inductors moving in the reflow oven

Electronics Forum | Mon Feb 22 10:01:01 EST 2010 | jtsyeung

Since the inductor is electro-magnetic, that means the device is composite of coil and ferrite metal. The inductor inside the reflow oven meets with blower motors which close to the inductor and generate magnetic field. With such conditions, Lawren

ICT for a reed switch

Electronics Forum | Tue Feb 05 14:35:30 EST 2013 | rway

In order to test a reed switch on the Teradyne, you will need an electro-magnet mounted inside the fixture. It will need to be mounted directly under the reed. First perform the passive testing (TVSV or Cont), then the active test. Drive the coil

Electronic Components Distributors

Electronics Forum | Sat Jan 07 04:00:12 EST 2017 | soldertraining

Electronic components distributor offering semiconductors, interconnects, electro-mechanical, power supplies, PCB Repair, BGA rework and measurement equipment. In order to select the electronic distributor we must remain updated with Technology news

Cracked MLCC's

Electronics Forum | Fri Aug 16 12:32:56 EDT 2019 | edhare

Steve, Yes, in my experience clients send in field failures (so latent failures) that exhibit internal shorts when a secondary fracture propagates from a knit line fracture. These eventually short due to electro-migration from plate-to-plate through

Re: Paste Printing @ 45 degrees

Electronics Forum | Sat Aug 14 07:01:44 EDT 1999 | Earl Moon

| Has anybody adopted the method of stencil printing with the board at a 45 degree angle to the squeegee blade? What are the benefits and drawbacks? I've heard you get better fine pitch results. | | TX | Mark | I know we all seek easy/better solut

any sugg. on lead forming equip.

Electronics Forum | Tue Apr 17 19:58:49 EDT 2007 | davef

Equipment||Lead Forming||Olamef||||619.792.7328 fax 1966 ?? Equipment||Lead Forming||RotoForm||||423.266.0067 fax 0105 Equipment||Lead Forming||Streckfuss||||214.790.1614 fax 986.1148 rep Foundation Technologies Equipment||Lead Forming||TED/Heller|||

Nodules in barrel plating

Electronics Forum | Mon Sep 11 14:07:26 EDT 2000 | Steve

Hi ya'll!! We've got some PCB's in receiving inspection that has these little nodules in plating inside all of the barrels. These are microwave PCB's and have almost all of the surface area on both sides covered with with solid metal planes, and no

Step down stencils using CBGA and 20 mil QFP's

Electronics Forum | Thu Oct 21 14:02:32 EDT 1999 | Ron Costa

We are a contract manufacturer currently building a job with IBM CBGA-255 devices and 20mil QFP's that are close to each other. We use a 6 mil laser cut and electro polished stencil with one to one apertures on the BGA's. The customer is experiencing

Re: screen printer and stencil printer

Electronics Forum | Wed Aug 18 17:59:09 EDT 1999 | Mik Horvath

| | Hi, | | I'd like to ask some tips about the merits and shortcomings o | | of both screen printer and stencil printer. For small quantity and highly mixed usage, which type of printer is suitable to our | | application? | | The boards contain

Re: screen printer and stencil printer

Electronics Forum | Wed Aug 18 18:10:33 EDT 1999 | Mik Horvath

| | Hi, | | I'd like to ask some tips about the merits and shortcomings o | | of both screen printer and stencil printer. For small quantity and highly mixed usage, which type of printer is suitable to our | | application? | | The boards contain


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