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High Frequency PCB Material: SYTECH Layer Count: 4 layers PCB Thickness: 1.6mm Min. Trace / Space Outer: 0.1mm/0.1mm Min. Drilled Hole: 0.2mm Via Process: Tenting Vias Surface Finish: ENIG+OSP Product Features 1. DK needs to be tiny as well
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Thick-Copper PCB Material: Fr-4 Layer Count: 4 layers PCB Thickness: 1.4mm Min. Trace / Space Outer: 0.065mm Min. Drilled Hole: 0.2mm Via Process: Tenting Vias Surface Finish: ENIG Product Features Features: 1) Years of experience in half-
Electronics Forum | Fri Nov 03 02:32:56 EST 2006 | shivam
HI ALL, can anybody clear me what is via tenting and via pluging?? second one, if i use via in pad for an.5mm bga what care i should taken, what should be the soldermask open in top and innerlayers for via?how it will directly connect to top layer
Electronics Forum | Fri Nov 03 07:28:27 EST 2006 | davef
Via filling methods are: * Tenting * Plugging * Capping * Flooding Tented Via. A via covered with dry film soldermask; the via is not filled. When tenting from both sides there may be issues with trapped air that expands during mass soldering. Plug
Industry News | 2019-11-05 22:07:01.0
Tenting a via refers to covering via with soldermask to enclose or skin over the opening. A via is a hole drilled into the PCB that allows multiple layers on the PCB to be connected to each other. A non tented via is just a via that is not covered with the soldermask layer. Leaving these vias exposed or covered has pros and cons depending on the your design and manufacturing requirements.
Industry News | 2018-10-18 10:40:04.0
Via Tent-Holes with Solder Mask
Technical Library | 2019-05-29 01:47:22.0
1.Vias near SMD pads: Solder can flow into the via after melted. As a result cold joint will appear in the end. Check the picture below. 2.Vias on SMD pads: Solder can flow into the via more easier after melted. Check the picture below. 3.Via opening without soldermask covered. When workers solder TH parts by hand, soldering iron can touch vias sometime, then tiny amounts molten solder will stay on vias. This can lead to electrical short easily. We recommend you make all vias tenting (covered by solder mask) if it is possible.
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. Dissolved Gas Spreads Out Through Diffusion. Board The dissolved gas spreads throughout medium by diffusion. When it reaches the edge it escapes through outgassing
| https://www.eptac.com/wp-content/uploads/2012/06/eptac_07_18_12.pdf
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