New Equipment | Assembly Services
What is High TG PCB "TG" refers to the glass transition temperature of the printed circuit board (PCB); it is the temperature point at which the PCB material begins to change. If the operating temperature exceeds the specified TG value, the circuit
Electronics Forum | Wed Jul 07 09:47:41 EDT 1999 | Peter Brant
| | Q #1) Is it more reliable to have the mask tent over the vias or risk getting vias half filled with solder? These are vias with an .020" hole and .040" or .050" pad. WIth regards to this question, and scott's follow up, I have used the "epoxy me
Electronics Forum | Wed Jul 07 10:25:13 EDT 1999 | John Thorup
| | Q #1) Is it more reliable to have the mask tent over the vias or risk getting vias half filled with solder? These are vias with an .020" hole and .040" or .050" pad. | | John, | It depends......mainly on the via size. Tenting works on smaller vi
Industry News | 2018-10-18 10:40:04.0
Via Tent-Holes with Solder Mask
SMTnet Express, January 27, 2022, Subscribers: 25,985, Companies: 11,506, Users: 27,032 Fracture Toughness Analysis of Epoxy-Recycled Rubber-Based Composite Reinforced with Graphene Nanoplatelets for Structural Applications
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/qfn-thermal-via-pitch_topic2914.html
. According to the IPC-7093A you can also solder mask define the thermal pad to dam in the paste mask to prevent it from flowing into via holes
GPD Global | https://www.gpd-global.com/co_website/news-events-pr-490.php
& Fill / Glob Top Encapsulation Hot Melt LED Encapsulation Solder Mask Solder Paste Surface Mount Adhesive Thermal Interface Material Trench Filling Underfill UV Curing Wafer Processing OTHER
