Electronics Forum | Wed Nov 02 08:57:34 EST 2005 | russ
Don't have any graphics but they are relatively simple. 1. They do need to be put into the copper. 2. We usually use a 1mm circle but many other shapes and sizes are useable but I know that all machine will take a circle. 3. Maintain a keepout area
Electronics Forum | Wed Jan 04 15:10:27 EST 2006 | grantp
Hi, That's the main problem. I quickly checked out the motorola document, and thanks for posting that, but the main reason for failure seems to be that the ball is not touching the solder pad. I wonder what kind of ball size tolerance they had on th
Electronics Forum | Wed Dec 14 06:16:50 EST 2005 | Rob
Hi Grant, Murata do 0402 chip caps on 50K reels - example: GRM1555C1H101JZ01J 0402, 100pf, NPO/C0G 50V 5% (make sure the final letter is included - the J denotes the reel size - D is standard 10K) Rohm MCR01 series (0402 resistors) come on 6inch, 1
Electronics Forum | Wed Dec 21 21:24:59 EST 2005 | davef
Primary differences between Matte Tin plating and Bright Tin plating are: * Temperature compatibility ** Matte Tin is compatible with the elevated temperatures of lead-free, reflow processing (250-260C). ** Bright Tin has a tendency to discolor (turn
Electronics Forum | Mon Jun 19 22:47:36 EDT 2006 | davef
So, a 10SWG is about an 8AWG. We can't think of a IPC standard for design of this type of product. That the solder is running up the wire indicates something is wrong. We wonder if either: * Holes in the board might be too large for the wire. Doe
Electronics Forum | Wed Jul 12 23:29:23 EDT 2006 | KEN
Ah yes Mechanical Engineers. My previous company hired one Fresh out of College. Ink was still wet on his B.S. degree when he entered the shop. I passed by his desk. He had a CAD drawing on the monitor which he was feverously working on. It showe
Electronics Forum | Wed Jul 19 09:21:54 EDT 2006 | Chunks
That's like asking who's Mom is the best Mom. Your main goal in choosing a screen printer is based on several things: Size for your boards. Speed of your line. Board layout in ref to edge clearance / use of breakaways. Post inspection 2D/3D of paste
Electronics Forum | Sun Jul 23 18:28:59 EDT 2006 | mika
Please be a little bit more specific about your problem. 1. is it all components on every board? 2. is it only components placed from one machine in the line? 3. is the solder paste registration ok? 4. is this a new product, that have never been runn
Electronics Forum | Fri Nov 10 17:00:05 EST 2006 | darby
Yep. If speed is not an issue a Heller 1500 will pretty well do you fine unless you are trying to process a brick. A Heller 1700 will not give you any more heated length, so don't get sucked in to that one. However, they are a little more fun to pl
Electronics Forum | Sun Dec 24 15:30:07 EST 2006 | pima
hello Everybody I would like to ask you for advise. I'm fighting with correct placing one of capacitors in TNT-A package at CP-6 machine. Size of this component is: L=3,4 mm W=1,7 H=1,7 Its Tantalium with J-lead. I use for this component vision type
