Electronics Forum | Tue Jul 20 21:50:46 EDT 2010 | dman97
Does anyone know the correct way to measure the pitch of the cavities between the rows and columns of waffle trays? Everytime that we measure using a caliper, it is always off. Is there a formula to use to determine the exact center of the cavities?
Electronics Forum | Wed May 08 10:56:32 EDT 2002 | cmay
If you are talking about "low" volume another option you could consider is using a waffle tray. At a previous company we made low volume high value flexi-rigids. Like you, no-one would buy volume on reels. Luckily we had our own machine shop and we m
Electronics Forum | Thu Nov 30 17:00:59 EST 2000 | Charles Morehouse
I am interested to know what people prefer for fine pitch packaging. Tape/Reel or Waffle tray for .031", .025", .020", .015" pitch components? What is the most robust packaging (i.e. fewer bent leads, etc.) Chuck
Electronics Forum | Wed Mar 07 09:29:36 EST 2001 | gsmguru
Enter A value of -1 in the Tray pickup X & Tray pickup Y fields. This will disable the automatic empty tray pickup by the machine. I would recommend getting a data sheet on the tray from the component vendor for accurate pocket & tray dimensions. Var
Electronics Forum | Wed May 23 11:14:17 EDT 2001 | Steven Sicard
Hi There Just set your Tray Pickup X and Y to -1. This way, the PTF wont reject your tray but you will need to remove manually the empty tray. It's a little bit longer but you wont have any broken pieces. Seeya! Steven
Electronics Forum | Wed May 23 11:18:11 EDT 2001 | Steven Sicard
Hi There Does some1 know where I can get a List of Matrix Trays definition (Including Nests)??? Thanks! Steven
Electronics Forum | Wed May 23 12:32:09 EDT 2001 | medernach
I believe at one point the now defunct Quad Systems offered a software option that defined the critical dimensions of the standard Jedec trays.
Electronics Forum | Wed May 23 14:47:39 EDT 2001 | Steven Sicard
Hi Justin Thanks for your help. I was looking more like a list of trays with size and nests Ex: MQFP 14X14 SizeX SizeY NestX NestY Any ideas???
Electronics Forum | Wed May 23 14:48:10 EDT 2001 | caldon
Not totally defunct WWW.Jedec.org you can down load the information Caldon W. Driscoll ACI USA 610-362-1200 cdriscoll@aciusa.org
Electronics Forum | Wed May 23 14:56:38 EDT 2001 | Steven Sicard
Seems like I can only find 1 definition for each type of trays (pga, mqfp, tqfp, ...) But there is alot of different type of trays with different sizes. Like Mqfp 14x14, 20x20 ...) Thanks
.gif)
.png)
