Electronics Forum: like (Page 1128 of 1218)

Contact System CS400E Bin Programming Help

Electronics Forum | Tue Jun 20 16:09:29 EDT 2023 | nickadams

We have a Contact System CS400E with a Rotary Bin model CS201 with 90 bins and we're sort of new to programming it and are wondering how we can program the bins so that we can assign a part number to a bin. What happens now is it always goes to the f

Solder Paste Pin Transfer vs Time Pressure Dispense

Electronics Forum | Thu Jul 20 13:32:11 EDT 2023 | spoiltforchoice

I doubt either Mycronic or Essemtec, as the only people who do dispense printing, will want to share their research with you. But clearly they will have followed every valid option to determine what is possible. Time & pressure is not used for anythi

Lead Lift in QFP

Electronics Forum | Sat Jul 22 13:20:35 EDT 2023 | shrikant_borkar

Dear Abhishek, I too got the opportunity to investigate this defect Lift lead for SOT. Lead lift in IC, and SOT can occur due to various reasons. Here are some possible reasons for lead lift and ways to avoid them: During the assembly process, mecha

Cleaning PCBs with a MEMS microphone on it

Electronics Forum | Thu Oct 12 21:32:12 EDT 2023 | seonr

Hey Rob, I am the designer and manufacturer of my own products - and I clean every product that leaves my premises because I hate receiving products with flux residue on them, so I wont ship products that way - It's my own standard I imposed on myse

Yestech F1 AOI?

Electronics Forum | Fri Oct 20 08:31:18 EDT 2023 | laurence11

When comparing F1 AOI machines, the key differences lie in their specific models and features. The "YTV" you mentioned may refer to a specific F1 model, but without more information, I can't provide specific details on it. However, here are

Wrinkle solder ball on BGA PKG

Electronics Forum | Sat Dec 30 04:23:50 EST 2023 | 012band

I have used LTS (Sn57.6%Bi0.4%Ag) solder balls for soldering on Ni/Au pads, and I have observed a wrinkle pattern on the ball surface. When you attempted soldering on CuOSP substrate pads under the same conditions, the surface appeared normal. Additi

Help finding a high capacity pick and place machine

Electronics Forum | Mon Mar 18 08:48:58 EDT 2024 | spoiltforchoice

200 unique components across an entire range is nothing, Were we all so lucky we would all leave the inventory permanently loaded on the line. The Manncorp machines are probably your cheapest solution new. These chinese machines with western input

AOI False call rate vs defect rate PPM

Electronics Forum | Thu Jun 13 14:41:40 EDT 2024 | tommy_magyar

Hi David, In one of my previous jobs I worked as an AOI/AXI process engineer and we had a set target of 75% FPY. This means that 75% of the boards at IPC Class 3 standards would not have a single false call. This also means you would need to set y

"Recycling" Paste?

Electronics Forum | Thu Jul 18 15:03:54 EDT 2024 | SMTA-64387939

Reusing paste that has been on the stencil for long periods of time can be a little tricky. Depends on the formula, environment that its used in, quality issues, technology being printed. Throughout the shift, new paste needs be added as its bein

Baking Components @ <5% RH Is this Really Needed?

Electronics Forum | Tue Aug 13 16:43:28 EDT 2024 | rwyman

Hi Armando- You don't need a "Humidity-controlled oven" to achieve <5%RH in your baking process. I have (3) Grieve 333 ovens that are used for various bakeout/drying processes. All get their make-up air out of the room they sit in. I ca


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