New Equipment | Solder Materials
Indium Corporation manufactures high quality solder powders and pastes. Powders are available in hundreds of alloys and a full range of sizes. Solder pastes can be made from these powders using a wide variety of flux vehicles to get the best fit for
World's First Solder Joint Encapsulant Perfect solution for customers looking to eliminate underfilling processes. The SMT 256 Individual Solder Joint Encapsulation Adhesive is the world’s first combined flux gel/individual solder joint encapsulati
Electronics Forum | Sun Aug 02 12:24:23 EDT 1998 | Bob Willis
Sorry all the parts I have processed are just like standard BGA just swing back into possition unless they are placed off the pads and touching the next pads. All my parts have had heat sinks and are the same weight as PBGA. Are your parts light. If
Electronics Forum | Sun Aug 02 20:31:22 EDT 1998 | karlin
Hi Bob, The weight of the TBGA is heavier then PBGA due to the Stainless steel heat sink. I have tried run them through the oven without paste. Due to the high lead content( 90Pb/Sn10), the "solder: did not melt. Still see the misalignment issue but
Industry News | 2010-05-07 16:01:14.0
New this year! The SMTA International Technical Committee invites you to participate in a poster session at SMTA International. Poster sessions are presented on the show floor and are a great way to present current research and results in a concise manner without requiring a technical paper.
Industry News | 2013-09-03 11:52:21.0
BEST's EZReball(TM) reballing preforms now are available as standard in 3 business days. Expedited packs are in available in 24 hours to help you with your reballing projects
Technical Library | 2013-12-27 10:39:21.0
The head-in-pillow defect has become a relatively common failure mode in the industry since the implementation of Pb-free technologies, generating much concern. A head-in-pillow defect is the incomplete wetting of the entire solder joint of a Ball-Grid Array (BGA), Chip-Scale Package (CSP), or even a Package-On-Package (PoP) and is characterized as a process anomaly, where the solder paste and BGA ball both reflow but do not coalesce. When looking at a cross-section, it actually looks like a head has pressed into a soft pillow. There are two main sources of head-in-pillow defects: poor wetting and PWB or package warpage. Poor wetting can result from a variety of sources, such as solder ball oxidation, an inappropriate thermal reflow profile or poor fluxing action. This paper addresses the three sources or contributing issues (supply, process & material) of the head-in-pillow defects. It will thoroughly review these three issues and how they relate to result in head-in pillow defects. In addition, a head-in-pillow elimination plan will be presented with real life examples will be to illustrate these head-in-pillow solutions.
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Events Calendar | Mon Mar 16 00:00:00 EDT 2020 - Mon Mar 16 00:00:00 EDT 2020 | ,
BGA & Area Array Failures, Causes & Corrective Actions Online Webinar
Head-in-Pillow BGA Defects Head-in-Pillow BGA Defects. Head-in-pillow (HiP), also known as ball-and-socket, is a solder joint defect where the solder paste deposit wets the pad, but does not fully wet the ball. This results in a solder joint
SMTnet Express, December 18, 2014, Subscribers: 23,604, Members: Companies: 14,148, Users: 37,424 Head in Pillow X-ray Inspection at Flextronics Alejandro Castellanos, Adalberto Gutierrez, Gilberto Martin... - Flextronics International
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| https://www.eptac.com/soldertips/soldertip-46-open-connections-found-on-bga-components/
: Open Connections Found on BGA Components Question : We have been stumped by occasional opens at the corner balls of some BGA components after reflow
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