Partner Websites: poor wash under bga (Page 1 of 2)

PCB Via Terms and Applications - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/pcb-via-terms-and-applications_topic1596_post6956.html

. Tenting means covering via with solder mask. This is a requirement for any vias under a BGA to prevent solder bridging short circuits during the assembly process.     Capped Vias

PCB Libraries, Inc.

PCB Via Terms and Applications - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic1596&OB=ASC.html

. Tenting means covering via with solder mask. This is a requirement for any vias under a BGA to prevent solder bridging short circuits during the assembly process.     Capped Vias

PCB Libraries, Inc.

Heated Stage X-ray inspection

ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/dage/about/blog/heated-stage

) and BGA ball and solder paste alloy differences. During reflow, board/component warpage, poor wetting and co-planarity issues can also create this

ASYMTEK Products | Nordson Electronics Solutions

Questions & Answers - PCB Libraries Forum - Page 20

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/questions-answers_forum34&SO=V&OB=desc_page20.html

:28am 5 541 By Tom H 26 Feb 2015 at 1:31pm SMD BGA Pads By david.vrtaric , 19 Sep 2019 at 1:00am 1 541 By Tom H 19 Sep 2019 at 8:38am How Do You Close Component View

PCB Libraries, Inc.

Phase Formation and Solid Solubility in High Reliability Pb-Free Solders Containing Bi, Sb or In

Surface Mount Technology Association (SMTA) | https://www.smta.org/knowledge/proceedings_abstract.cfm?PROC_ID=5454

:  Sn-Ag-Cu (SAC) solders generally have better thermal cycling performance than eutectic Sn-Pb. However, their performance deteriorates significantly as the harshness of the thermal cycle increases, and the high-Ag SAC solders that perform best in thermal cycling have relatively poor drop impact properties

Surface Mount Technology Association (SMTA)

SMT Reflow Oven History and Trends-SMT Technical-Reflow oven,SMT Reflow Soldering Oven-cmsadmin

| http://etasmt.com:9060/te_news_industry/2021-09-01/24567.chtml

 generation reflow soldering: gas-phase reflow soldering system High heat transfer efficiency: 200-300 W/m2K, no shadow effect, the welding process needs to move up and down, and the cooling effect is poor. Fifth

SMT Reflow Oven History and Trends-SMT Technical-Reflow oven,SMT Reflow Soldering Oven-cmsadmin

| http://etasmt.com/te_news_industry/2021-09-01/24567.chtml

 generation reflow soldering: gas-phase reflow soldering system High heat transfer efficiency: 200-300 W/m2K, no shadow effect, the welding process needs to move up and down, and the cooling effect is poor. Fifth

Solder Dictionary of Terms | Nordson EFD

ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/efd/resource-center/solder-glossary-of-terms

.   B Ball Grid Array (BGA) A surface-mount component containing a processor, and sometimes additional components, where the bottom has a grid of connection points with solder balls attached

ASYMTEK Products | Nordson Electronics Solutions

2D X-ray Inspection

ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/dage/technical-experts/2d-x-ray-inspection

. In many cases, X-Ray inspection (2D and 3D) provides the only non-destructive techniques to inspect optically hidden components and solder joints such as BGA, POP, QFN, flip chips, through holes, TSVs, micro-bumps, copper pillars, etc

ASYMTEK Products | Nordson Electronics Solutions

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