Electronics Forum: 6015 (Page 1 of 1)

Re: Radial Components W/ Standoffs

Electronics Forum | Mon Jun 01 12:35:44 EDT 1998 | Don Spicer

Contact George Moronus at Electro Prep. 408-739-6015

Resistor Net Array , Stencil Design

Electronics Forum | Tue Mar 25 15:36:38 EST 2003 | Ren� Sandoval

What is the optimal design for the resistor Net Array 0402 (8 pins)with a 5 mils Stencil th.?

Re: Hybrid solder balls

Electronics Forum | Mon May 15 20:10:27 EDT 2000 | Dave F

David: How about starting with MCMs? IPC docs are: * 2225 - Sectional Design Standard for Organic Multichip Modules (MCM-L) and MCM-L Assemblies * DD-135 - Qualification Testing for Deposited Organic Interlayer Dielectric Materials for Multichip

Leakage resistance in PCB

Electronics Forum | Mon Feb 04 20:27:25 EST 2002 | davef

1,000 G ohm ||100 M ohm Dielectric Constant ||9.5 ||4.9 Loss Factor ||5 - 20 ||200 * E indicates exponent Continuing: * Spacing between same plane traces effect the electical parameters between the traces. * Dielectric materials used between diff

0201s

Electronics Forum | Thu Apr 19 11:04:43 EDT 2001 | Spanky

All, We are getting ready to start running with 0201 passives. I have never run these before. We have run some 0402s however. We don't have any assemblies in-house yet, so I can't give any intelligent information regarding the board design (size,

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|||

Lead Protrusion

Electronics Forum | Wed Sep 22 22:44:34 EDT 2004 | davef

We agree with Paul. If you prepare the components differently, so that they snap into place, you do not need to trim after wave. Most rotary trimmers put a HUGE amount of stress on solder connections, potentially cracking the connections. Some of

Re: Castellated Solder Pads

Electronics Forum | Sat Dec 16 10:03:32 EST 2000 | Dave F

Castellation. A recessed metalized feature on the edge of a leadless chip carrier [LCC] that is used to interconnect conducting surface or planes within or on the chip carrier. If you search the fine SMTnet Archives, you find: * A fine thread [cast

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