Electronics Forum | Tue Dec 09 10:46:58 EST 2003 | Peter
Hi. Is there anyone with experience in soldering standard smd on a pvd (physical vapor deposited) titanium surface? Are there any rules to obey? Especially concering solder paste, surface treatment, reflow profile and oven etc. Thanks
Electronics Forum | Fri Jul 10 07:34:00 EDT 2020 | elijah
From the poor bonding strength of the board, the surface quality problems of the board are divided into: 1. The cleanliness of the board surface; 2. The problem of micro graphite (or surface energy) on the surface. PCB circuit board proofing Youke bo
Electronics Forum | Wed Dec 17 17:57:51 EST 2003 | davef
9. * Conversion coatings are very nice "paints" that allow other paints to stick to aluminum. Type 1 coatings are thicker than Type 3, which are whisper thin. Alodine 120X (Amchem) and Iridite 14-2 (Allied Research Products) are good conversion coa
Electronics Forum | Thu Jan 24 11:47:15 EST 2002 | Joe B.
Are there any formalized standards for the properties of solder balls? Example properties: sphericity uniformity(variance) of the ball size distribution surface roughness surface oxidation or other surface treatments/contaminants ?? As someone rela
Electronics Forum | Mon Oct 23 21:05:37 EDT 2000 | cklau
If you're looking for PWB cleanliness , please consider one surface treatment other than HAL (i.e HRF-heat resist flux). HRF is a very inexpensive and effective process that your board manufacturer can provide you to meet your requirement. For gold
Electronics Forum | Wed Oct 09 08:36:44 EDT 2002 | pjc
Operation features of many devices, machine components, instruments depend substantially on state of their surfaces. Selective surface processing by high-intensity energy beam (ion, electron, laser treatment) is one of the most perspective directions
Electronics Forum | Wed Jul 28 20:14:22 EDT 1999 | Dave F
| While inspecting incoming PCBs we detected around all plated-through-holes (only there and all in the same place) some halfmoonshaped light rings that match obviously only with the pink ring symptom shown in the IPC-A-600 chapter 2.5.2.. That would
Electronics Forum | Fri Jan 13 06:54:12 EST 2006 | pjc
Here's a couple more: Vitek Coating Div., Vitek Research Corp. - Derby, CT - Contact Service Company Company Profile: Parylene Conformal Coating Services With Plasma Surface Treatment To Enhance Adhesion. Electrostatic Powder & Liquid Coating Of Med
Electronics Forum | Thu Oct 04 17:45:10 EDT 2018 | avm
Hello friends, I'm looking for hints where to buy metal/steel sheets for stencil cut. Worldwide. Different quality, thicknesses and surface treatment.Size 23x23, 29x29. I heard there were some good quality metal sheets suppliers in Finland, Japan, M
Electronics Forum | Thu Jul 29 15:35:05 EDT 1999 | Earl Moon
| | While inspecting incoming PCBs we detected around all plated-through-holes (only there and all in the same place) some halfmoonshaped light rings that match obviously only with the pink ring symptom shown in the IPC-A-600 chapter 2.5.2.. That wou
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