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SMTnet Express, April 22, 2021, Subscribers: 27,222, Companies: 11,340, Users: 26,602

Technical Library

Effect Of Vacuum Reflow On Solder Joint Voiding In Bumped Components

Voids affect the thermal characteristics and mechanical properties of a solder joint, thereby affecting the reliability of the solder interconnect. The automotive sector in particular is requiring the mitigation of solder voids in various electronic control modules to the minimum possible level. Earlier research efforts performed to decrease voids involved varying the reflow profile, paste deposit, paste alloy composition, stencil aperture, and thickness. Due to the various advantages ...

Credits: Auburn University

Forum search results for related keywords: vacuum reflow 13

Void Reduction in Bottom Terminated Components Using Vacuum Assisted Reflow

Pockets of gas, or voids, trapped in the solder interface between discrete power management devices and circuit assemblies are, unfortunately, excellent insulators, or barriers to thermal conductivity. This resistance to heat flow reduces the electrical efficiency of these devices, reducing battery life and expected functional life time of electronic assemblies. There is also a corresponding increase in current density (as the area for current conduction is reduced) that generates additional heat, further leading to performance degradation.

Credits: Heller Industries Inc.

Forum search results for related keywords: vacuum reflow 13

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Electronics Forum

Help TQFP welding problem -- We are currently producing a project that brings a TQFP64. But some boards do not solder the component well with its ideal fillet, some are well soldered when they come out of the reflow oven, but some are not. Can the pins be sulphated? How can we check and make sure they are sulfated? I mount the curve we currently use for alpha om5300 type 4 paste

Array drawing software -- Do you have a software that you can use to create dimensional array drawing for PCB using gerbers or gerber input. If not, do you have software that can open board house gerbers and create a dimensional pdf drawing? Thank you!

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SMT, PCB Electronics Assembly Manufacturing News

Dry Box Sales Rep for New England

XDry Corp. today announced an exclusive representative agreement with Matthew Associates in Maine, Massachusetts, Vermont, New Hampshire, Connecticut and Rhode Island ... | XDry

New and Improved GRAB EEZ Cleanroom Wipe Dispenser

High-Tech Conversions has released a new and improved GRAB-EEZ ESD Safe Cleanroom Wipe Dispenser ... | High-Tech Conversions

Join Inovaxe For a Live Webinar: Intelligent Receiving with MODI

Inovaxe will hold the live webinar "Intelligent Receiving with MODI" on Thursday, April 22, 2021 from 11 to 11:45 a.m. EST. To register ... | Inovaxe Corporation

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SMT / PCB Equipment Auctions

FEATURED AUCTION | XTECH Auctions - Where Technology Sells

XTECH Auctions - Where Technology Sells

TYPE: On-Line Auction

DESCRIPTION: Closer of Full Production Floor. Electronic Equipment & Supplies - Delta Tau Data Systems Inc. (

FEATURING: All equipment was extremely well maintained) *Additional assets added from other suppliers. *Inspection available appointment only. ...!!!

SCHEDULE: April 27 -29, 2021

SPONSOR: XTECH Auctions - Where Technology Sells

XTECH Auctions - Where Technology Sells

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Electronic Equipment Mart

MART - Equipment For Sale

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Screen Printers

CE Exchange

ASM Siemens Parts

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 Digital Test MTS-505 Condo II

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Events Calendar



Oregon Chapter Tutorial: How Clean is Clean and How Do You Know for Sure? | April 21 - 21 | SMTA

DI-Water vs. Chemistry - April 27th | April 27 - 27 | ZESTRON

SMT Processes Certification Course: Juarez, Mexico | April 27 - 29 | SMTA

 Zestron - Webinar: Cleaning before coating

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Training Courses



IPC Certification

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 EPTAC - Your 2021 IPC Training Schedule

Online IPC Training & Certification - Now open for limited in-person training

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Industry Associations Events


SMTA - Surface Mount Technology Association is a non-profit international association of companies and individuals (totalling 4,000) involved in all aspects of advanced electronics assembly, surface mount and related technologies.

Membership Info | SMTA Certification | Bookstore | Upcoming Events


IPC - Association Connecting Electronics Industries is a US-based trade association dedicated to the competitive excellence and financial success of its nearly 2,600 member companies which represent all facets of the electronic interconnection industry, including design, printed wiring board manufacturing and electronics assembly.

Membership Info | Training & Certification | Online Store | Upcoming Events

Editor - davef (submit your technical articles), 98 Elm Street, Portland, Maine 04101 USA, Tel.207-780-0887.


Used PCB Assembly Equipment - CE Exchange

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