Electronics Forum | Thu Jun 08 09:26:26 EDT 2023 | frankchan
placement> (curing)> reflow soldering> cleaning> inspection> rework SMT production process Surface mount process a. Single-sided assembly: (All surface-mount components are on one side of the PCB) Incoming inspection-solder paste stirring-screen prin
Electronics Forum | Fri Jan 12 19:36:36 EST 2001 | Brian W.
Cyberoptics makes a device called a Cybersentry. wonderful machine. Will work in line or off line. I used one in a former company. You program what pads and locations you want, and it can measure volume or height, and give you charts. You can en
Electronics Forum | Thu Apr 29 16:52:11 EDT 1999 | Steve Gregory
| | | | Has anyone heard of this company? We have one at our facility and I can't find them listed anywhere. I looked through this years NEPCON directory with no listing there either. We have some parts that need replacing so any help would be gre
Electronics Forum | Mon Nov 04 17:29:34 EST 2002 | pjc
Cannot comment on "best buy". You'll have to determine what the better machine is for your application and duration of planned use. I suggest taking a field trip to each vendor's nearest demo facility with a few of your most hi-tech boards and stenci
Electronics Forum | Mon May 13 13:45:33 EDT 2019 | whitelancer64
I am having the same problem with the MPM Accela solder paste printer machine. If the fiducials are adjusted for PCB alignment, the location of the paste is then wrong, and vision inspection fails. This is a problem for both pad preview inspection
Electronics Forum | Thu Aug 09 12:53:59 EDT 2001 | seand
Hello everyone, First when defining any criteria for process control, one should identify quantiatively that criteria. Then one establishes an effective method for measuring such a criteria. Once you have a test method, your gateway to a solving y
Electronics Forum | Mon Feb 12 12:33:24 EST 2007 | SJ
There are several ways to inspect solder paste after deposition. Defects will range - too much paste, not enough, misaligned, bridged, smeared, etc. Some sceen printers have 2D inspection imbedded, otherwise a standalone system for paste inspection
Electronics Forum | Mon Jul 26 11:01:35 EDT 1999 | Kevin Hussey
| Has anyone ever heard of testing solder paste quality by pasting a board and making a determination of the quality by measuring paste height and width after the board is pasted. Would you consider this a valid test for solder paste testing? | I ha
Electronics Forum | Tue Aug 28 13:08:28 EDT 2001 | seand
Hello Everyone, Mountains and mountains of data in the archives. As a contractor the variables in your production lots don't help I'm sure. On a larger scale, one suggestion maybe to first look at when and where your tomb stoning is occuring. 1
Electronics Forum | Wed Oct 10 17:56:35 EDT 2001 | seand
Hello all, My respone here is to add options for evaluation for the engineer. Not to convey that they are the only options as that would be reckless. Cyberoptics does have a standard line of machines configured for in line paste inspection. Some
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