New SMT Equipment: reduce void under dpak (4)

NC257MD Jet Printing Solder Paste for Mycronic Jet Printers

NC257MD Jet Printing Solder Paste for Mycronic Jet Printers

New Equipment | Solder Materials

NC257MD solder paste has been specifically developed for Mycronic Jet Printers. Its unique rheological properties were engineered and validated through extensive testing in collaboration with Mycronic to provide continuous and consistent deposits. NC

AIM Solder

Indium Solder Pastes

Indium Solder Pastes

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

Indium Corporation

Electronics Forum: reduce void under dpak (23)

Voiding under BGA's

Electronics Forum | Mon May 09 14:36:49 EDT 2005 | driscolj

We've had similar problems with Indium 6.2 water soluble paste. We reduced our voiding by implementing a longer soak and lower peak temperature.

Soldering under nitrogen atmosphere

Electronics Forum | Sat Jul 16 13:53:52 EDT 2022 | yannick_herzog

Hello all, we use a reflow oven from Rehm in our SMT production. At the moment we solder under nitrogen atmosphere (approx. 500ppm). Now we want to reduce the nitrogen consumption (costs etc.). What consequences can occur here? Especially on the s

Industry News: reduce void under dpak (31)

Two Indium Corporation Experts to Present “Best Papers” at SMTA South China Technology Conference 2018

Industry News | 2018-08-16 20:05:44.0

Indium Corporation Research Chemist, Mary Ma, and Area Technical Manager for Eastern China, Wisdom Qu, will present their papers at the 2018 SMTA China South Technology Conference on Aug. 28 in Shenzhen, China.  Their papers were voted by their peers as two of the top five “Best Papers” presented in recent years at SMTA South China and SMTA East China, earning them the opportunity to present them again at this year's show.

Surface Mount Technology Association (SMTA)

Electronics Reliability And Sustainability Focus of IPC Technical Conference

Industry News | 2010-08-04 21:04:22.0

Manufacturing reliable and sustainable electronics that meet customer needs without failure during the product’s life cycle has been stymied by myriad challenges, from environmental regulations to new materials and processes. Bringing together the latest research by industry experts, IPC — Association Connecting Electronics Industries® will host a Technical Conference on Electronics Sustainability, September 28–30 at Electronics Midwest, in Rosemont, Ill. Electronics Midwest is produced jointly by IPC and Canon Communications.

Association Connecting Electronics Industries (IPC)

Technical Library: reduce void under dpak (1)

Novel Approach to Void Reduction Using Microflux Coated Solder Preforms for QFN/BTC Packages that Generate Heat

Technical Library | 2019-08-07 22:56:45.0

The requirement to reconsider traditional soldering methods is becoming more relevant as the demand for bottom terminated components (QFN/BTC) increases. Thermal pads under said components are designed to enhance the thermal and electrical performance of the component and ultimately allow the component to run more efficiently. Additionally, low voiding is important in decreasing the current path of the circuit to maximize high speed and RF performances. The demand to develop smaller, more reliable, packages has seen voiding requirements decrease below 15 percent and in some instances, below 10 percent.Earlier work has demonstrated the use of micro-fluxed solder preforms as a mechanism to reduce voiding. The current work builds upon these results to focus on developing an engineered approach to void reduction in leadless components (QFN) through increasing understanding of how processing parameters and a use of custom designed micro-fluxed preforms interact. Leveraging the use of a micro-fluxed solder preform in conjunction with low voiding solder paste, stencil design, and application knowhow are critical factors in determining voiding in QFN packages. The study presented seeks to understand the vectors that can contribute to voiding such as PCB pad finish, reflow profile, reflow atmosphere, via configuration, and ultimately solder design.A collaboration between three companies consisting of solder materials supplier, a power semiconductor supplier, and an electronic assembly manufacturer worked together for an in-depth study into the effectiveness of solder preforms at reducing voiding under some of the most prevalent bottom terminated components packages. The effects of factors such as thermal pad size, finish on PCB, preform types, stencil design, reflow profile and atmosphere, have been evaluated using lead-free SAC305 low voiding solder paste and micro-fluxed preforms. Design and manufacturing rules developed from this work will be discussed.

Alpha Assembly Solutions

Videos: reduce void under dpak (2)

How to reduce solder joint voids from 30% to 1%? Try I.C.T Vacuum Reflow Oven

How to reduce solder joint voids from 30% to 1%? Try I.C.T Vacuum Reflow Oven

Videos

  · What is the difference between SMT vacuum reflow soldering machine and ordinary reflow soldering machine?    · What problems can be solved by smt vacuum reflow soldering machine?   · What is the basic principle of vacuum reflow machine?   · Ho

Dongguan Intercontinental Technology Co., Ltd.

SN100C P810 D4 low-voiding lead-free solder paste.

SN100C P810 D4 low-voiding lead-free solder paste.

Videos

SN100C P810 D4????????? ???????????? ??????????????????????????????????? ?????????????? ???http://www.nihonsuperior.co.jp/

Nihon Superior Co., Ltd.

Events Calendar: reduce void under dpak (1)

Solder Paste Qualification Testing - SMTA Webinar

Events Calendar | Wed Mar 07 00:00:00 EST 2018 - Wed Mar 07 00:00:00 EST 2018 | ,

Solder Paste Qualification Testing - SMTA Webinar

Surface Mount Technology Association (SMTA)

Express Newsletter: reduce void under dpak (426)

Partner Websites: reduce void under dpak (30)

Key Advances in Void Reduction in the Reflow Process Using Multi-Stage Controlled Vacuum

Heller Industries Inc. | https://hellerindustries.com/wp-content/uploads/2020/02/Void-Reduction-Warpage-Vacuum-Reflow-Soldering.pdf

. Key Advances in Void Reduction with Vacuum Technology One of the challenges facing the industry is the requirement to significantly reduce voids from the process

Heller Industries Inc.

The Effect of Vacuum Reflow Processing On Solder Joint Voiding And Thermal Fatigue Reliability

Heller 公司 | http://hellerindustries.com.cn/Vacuum-Void-Reduction-Reflow.pdf

]. Because a finished electronic assembly can be rejected based on the IPC guidelines for macro or process voiding defects [4, 5], it is desirable to eliminate voiding, or least reduce the void density substantially

Heller 公司


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