Electronics Forum: 0201 problem (Page 8 of 10)

Why does my solder joints look so wrinkled?

Electronics Forum | Tue Oct 11 19:57:04 EDT 2005 | hly

Hi folks, I had posted this earlier but I think there was some confusion on where the wrinkled joints were. The picture is the side view of a BGA soldered onto the PCB. I was able to take this picture becuase the BGA was at the edge of the board. I

Samsung SM320 vs Mydata MY12E

Electronics Forum | Thu Mar 22 09:49:16 EDT 2007 | Manyhatz

You shouldn't have any problem with the SM320 doing what you're asking above. In fact I think it will do it quite better. We have a two machine TP-11 Hydra line and a two machine SM320 line and I can tell you one SM320 can get the job done better.

YesTech doubling lens installation

Electronics Forum | Fri Sep 30 12:16:28 EDT 2011 | tomattek

Our company would like to be able to inspect 0201 parts using our YesTech YTV 2050. To do this, we have purchased a doubling lens from YesTech that attaches to our top camera. The problem is, we bought our YesTech used from another CM, not from Yes

Pick&Place Defects may be from supplier & potential solution

Electronics Forum | Sun Apr 11 13:48:33 EDT 2021 | ngumado28898

Hi guys, I'm a newbie for SMT field. Currently, I'm facing a problem that there were many defects such as tombstone, missing, skewed, billboarding that happened with 1 type component (Resistor 0201) with a specific supplier X (we have many supplier b

MYData placement variations

Electronics Forum | Wed Feb 21 06:11:41 EST 2007 | CL

Good Morning, We have 5 Mydata MY machines in separate lines. We are placing 0201's, uBGA's, CSP's, etc.... I cant say that we have never had accuracy problems but whatever caused the problems was identified and they are fairly accurate as far as I'

0402 tombstoning

Electronics Forum | Thu Apr 11 20:35:22 EDT 2002 | davef

Messy. Messy. Messy. Consider gluing these components, until you control your process. It is unclear to us that a single factor drives these defects, but multiple factors that need to be tuned to work well together. PAD DIMENSIONS * Some SM-782 pa

non-wet on 0402 mounted on OSP & lead free paste

Electronics Forum | Fri Oct 17 22:36:35 EDT 2008 | arosario

Hi All, We just started build a new product and I am encountering many non-wet rejects in our new product. I need help on what should I look into to improve our Yield. Please see below back ground 1. We are using DEK Infinity as printer. 2. We are mo

Why AOI. Features one should look while considering AOI

Electronics Forum | Tue Aug 10 16:55:19 EDT 2004 | mriddle

RS, It seems you've been doing your homework. However, the real question is what do you need to do with AOI? 1) What is your minimum cycle time? This would help you to determine the speed you need and whether "scan on the fly" is warranted. Also,

How to choose a new solder paste

Electronics Forum | Thu May 26 16:41:00 EDT 2011 | scottp

Here's what I do: - Test Surface Insulation Resistance (we're in the high reliability market and use a test significantly harder than IPC's). I also test SIR in combination with other assembly materials like conformal coatings and wave solder flux

Selecting pick and place machine (comparison/personal experience/sales pitches)

Electronics Forum | Fri Apr 30 10:42:40 EDT 2021 | oxygensmd

I have a customer who ask close to prototyping jobs with low volume and high-mix components. A regular job have around 5-30 pieces board but have high quantity and many type of components. All the time over 1000 pieces of parts on board from 250-350


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