Electronics Forum | Thu Jun 17 16:18:22 EDT 1999 | Earl Moon
| | Has anyone had problems with the Weller MT 1500 IRON/TIP solder station? | | Please advise your problem and resolution. | | | | ddj | | 6/16/99 | | | I don't like to use the needle tips (MT2 series), but the rest of the tips work fine. The MT2
Electronics Forum | Wed Jun 09 13:11:29 EDT 1999 | John Thorup
| In past PCB designs I have cleared all traces from all layers | (except pwr/gnd) from fiducial area. It has come to my attention that this is only necessary on the side where fud is placed. Which is the correct method of design using a fidicial?
Electronics Forum | Fri May 21 15:50:41 EDT 1999 | John Thorup
We are running a number of boards with 8-10 25 mil PQFPs on board. Our process is mature with at least 3 years experiance and statistically few opens on the QFPs. Our beloved purchasing department has chased the almighty $ and changed FAB vendors
Electronics Forum | Mon May 03 17:10:10 EDT 1999 | JohnW
| John: Homeplate is a reference from that American version of cricket ... baseball. In baseball, the pitcher throws the ball towards the batter and the ball must pass over homeplate to be considered to be strike. The ball also must be between the
Electronics Forum | Thu Feb 18 17:49:28 EST 1999 | Ryan Jennens
Hey all- My question is this: My stencil printer operator has said that he has to wipe our 6-mil stencil each pass to get the paste in the 20-mill pitch aperatures for a QFP to release well. We are using Amtech NC-559 type 3 paste with 89.5% metal
Electronics Forum | Tue Feb 16 19:31:46 EST 1999 | Earl Moon
| We appear to receive certain standard discrete components (1206,0805,&0603)that deviate in size and shape to the extent that vision processing discard rates are through the roof. Does anyone else have problems with vendors being unable to produce
Electronics Forum | Thu Jan 14 08:32:22 EST 1999 | Jim Nunns
They are supposed to be production parts. Our volumes are in the hundreds due to rapid change though. Jim Nunns | Just a comment: we've seen PBGAs curl up at the corners, but only on prototype components that came off of a low-volume "prototype"
Electronics Forum | Wed Sep 23 13:27:55 EDT 1998 | Dave F
All y'all, We use two methods to secure/stake jumper wires to boards: 1 Jumper wires that "magically" bond themselves when heated with a "U" shaped tip on a soldering iron. 2 Loctite 382 Tak Pak We use Tak Pak "99&44/100ths" more often than the "magi
Electronics Forum | Mon Aug 24 18:45:11 EDT 1998 | Steve Evers
| We are looking at implimenting a bar code system for a SMT | production line. To start we are looking at label printer/applicators. Are there any other companies that we should consider besides Zebra and Imtec?? Thanks for your input. | John If
Electronics Forum | Fri Aug 14 15:47:31 EDT 1998 | Ben Salisbury
All we've bought is used equipment...and since the start I've learned alot about the inner workings of FUJI equipment. The first set of machines were bought from a re-seller, they were all functional but far from being in good shape. At the time, t
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