Electronics Forum | Wed Feb 22 20:33:25 EST 2006 | davef
Here's your design rules: * IPC-2221 * IPC-2222 Bonus is that they include the works, not just break-away tabs
Electronics Forum | Tue Jun 03 15:43:12 EDT 2003 | Randy Holman
I'm trying to determine the best panelization technique, but have been unfruitful in my internet search for more information. I'm trying to determine the advantages and disadvantages of using either V-scoring or tab-routing (break-away tabs), but ha
Electronics Forum | Wed Aug 20 08:16:10 EDT 2008 | grics
Chunks... You are pretty damn awesome! Anyways, in regards to the original thread, we do get good boards from china as well, but we have had issues with stack-up tolerances and even mouse bite (drilled break away) tabs. Not to long ago, we left t
Electronics Forum | Thu Aug 30 22:36:36 EDT 2001 | davef
While I don't understand why, this topic comes-up fairly often on SMTnet. [That the topic recurs indicates there truely is a problem and I'm just too doopy to understand it.] Several things: 1 Check the fine SMTnet Archives. 2 Some glue suppliers kn
Electronics Forum | Tue Jun 26 19:48:29 EDT 2001 | davef
Information a SIR test vehicle can be found in IPC-9201, SIR Handbook [http://www.ipc.org]. Common test boards are: * IPC-B-24 (copper and HASL, FR-4 and polyimide) * IPC-B-36 (bare copper and HASL, FR-4 and polyimide) * IPC Phoenix board (bare copp
Electronics Forum | Mon Jun 19 14:53:28 EDT 2000 | Mike Demos
I'm looking for some design paramters for perforated tabs. These are the tabs that connect the circuit board to the break-away pannel material. I've never used these before, but I've seen some that have reportedly worked well. These tabs are ident
Electronics Forum | Thu Jun 18 22:25:24 EDT 1998 | Dave F
| | | | | We're running into problems with board damage (broken traces, solder shorts) due to pliers and other bizarre tools being used for depanelization. I need some sort of fixture for this. A delrin plate with a slot cut to the correct depth and
Electronics Forum | Tue May 23 20:44:13 EDT 2000 | Dave F
Sal: You and Wolfgang are spot on, but let's see if we can blow this out a bit. Before proceding to rattle on ... � PC Card. A credit card-size computer peripheral that add memory, mass storage, and I/O capabilities to computers in a rugged, compa
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