Electronics Forum: incompletely wetting at components terminals (1)

PIHR Inspection Criteria

Electronics Forum | Thu May 17 07:36:40 EDT 2001 | Bob Willis

Here is a copy of a draft document on PIHR Inspection I have jotted down on a flight to Scotland yesterday, any comments suggestions etc ? I have already most of the photos for the standard but as you know there is nothing in the IPC document it just

Industry News: incompletely wetting at components terminals (2)

Package Cleaning at IMAPS METRO Symposium

Industry News | 2015-05-11 17:16:30.0

KYZEN is pleased to announce that Debbie Carboni will present at the IMAPS METRO Chapter Full Day Symposium and Vendor Night, scheduled to take place Wednesday, May 13, 2015 at the Clarion (former Holiday Inn) in Ronkonkoma, New York. Carboni will present the paper entitled, “Advanced Packaging Cleaning Fluid Best Practice.”

KYZEN Corporation

Share Your Research at SMTA International 2016!

Industry News | 2015-11-25 16:58:05.0

On behalf of the SMTA International Technical Committee, we invite you to submit a 300 word abstract of your research for the 2016 SMTA International 2016 technical conference in Rosemont, Illinois. Papers should describe significant results from experiments, emphasize new techniques, and contain technical, economic or appropriate test data. We are looking for papers on a variety of topics related to electronics manufacturing including advanced packaging/components, assembly, business/supply chain, emerging technologies, harsh environment applications, PCB technology, and process control. Materials must be original, unpublished and non-commercial in nature.

Surface Mount Technology Association (SMTA)

Technical Library: incompletely wetting at components terminals (9)

Cleaning Flux Residue under Leadless Components using Objective Evidence to Determine Cleaning Performance

Technical Library | 2019-08-14 22:20:55.0

Cleanliness is a product of design, including component density, standoff height and the cleaning equipment’s ability to deliver the cleaning agent to the source of residue. The presence of manufacturing process soil, such as flux residue, incompletely activated flux, incompletely cured solder masks, debris from handling and processing fixtures, and incomplete removal of cleaning fluids can hinder the functional lifetime of the product. Contaminates trapped under a component are more problematic to failure. Advanced test methods are needed to obtain "objective evidence" for removing flux residues under leadless components.Cleaning process performance is a function of cleaning capacity and defined cleanliness. Cleaning performance can be influenced by the PCB design, cleaning material, cleaning machine, reflow conditions and a wide range of process parameters.This research project is designed to study visual flux residues trapped under the bottom termination of leadless components. This paper will research a non-destructive visual method that can be used to study the cleanability of solder pastes, cleaning material effectiveness for the soil, cleaning machine effectiveness and process parameters needed to render a clean part.

KYZEN Corporation

Investigation and Development of Tin-Lead and Lead-Free Solder Pastes to Reduce the Head-In-Pillow Component Soldering Defect.

Technical Library | 2014-03-06 19:04:07.0

Over the last few years, there has been an increase in the rate of Head-in-Pillow component soldering defects which interrupts the merger of the BGA/CSP component solder spheres with the molten solder paste during reflow. The issue has occurred across a broad segment of industries including consumer, telecom and military. There are many reasons for this issue such as warpage issues of the component or board, ball co-planarity issues for BGA/CSP components and non-wetting of the component based on contamination or excessive oxidation of the component coating. The issue has been found to occur not only on lead-free soldered assemblies where the increased soldering temperatures may give rise to increase component/board warpage but also on tin-lead soldered assemblies.

Christopher Associates Inc.

Express Newsletter: incompletely wetting at components terminals (687)

SMT Express, Volume 3, Issue No. 5 - from SMTnet.com

SMT Express, Volume 3, Issue No. 5 - from SMTnet.com Volume 3, Issue No. 5 Thursday, May 17, 2001 Featured Article Return to Front Page A Closer Look at Area Array Components by Gil Zweig , Glenbrook Technologies, Inc . Combining

SMTnet Express - August 15, 2019

SMTnet Express, August 15, 2019, Subscribers: 32,226, Companies: 10,855, Users: 25,017 Cleaning Flux Residue under Leadless Components using Objective Evidence to Determine Cleaning Performance Credits: KYZEN Corporation Cleanliness is a product

Partner Websites: incompletely wetting at components terminals (5)

Notícias da Clariant

| https://www.clariant.com/pt/rssfeed

: Clariant Additives steps up at Chinaplas 2021 At Chinaplas 2021, Clariant will debut new high-end sustainable additive solutions for plastics to support local manufacturers in adapting quickly to the

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