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SMTnet Express, March 3, 2022, Subscribers: 25,842, Companies: 11,529, Users: 27,083

Technical Library

Component Reliability After Long Term Storage

Each year the semiconductor industry routes a significant volume of devices to recycling sites for no reliability or quality rationale beyond the fact that those devices were stored on a warehouse shelf for two years. This study identifies the key risks attributed to extended storage of devices in uncontrolled indoor environments ...

Credits: Texas Instruments

BGA Package Component Reliability After Long-Term Storage

This paper provides additional data in support of shelf life extension for BGA and Die Size BGA (DSBGA) Packages.

Credits: Texas Instruments

Oxide Thickness and Solderability Methodology to Determine Long Term Storage of BGAs and QFPs

Key points are: *Long-term storage of BGA & QFP products may be required due to: Fab and assembly factory transfers, Product obsolescence requiring customers make lifetime/EOL purchases, Providing extended service (10+ years) on vehicles, Other program needs * Integrity of EOL products ...

Credits: Freescale Semiconductor Inc

Solderability after Long-Term Storage

The effect of long-term storage on manufacturability and reliability is an area of major concern for companies that attempt to proactively manage component availability and obsolescence. A number of issues can arise depending on the technology and storage environment. Mechanisms of concern can include ...

Credits: DfR Solutions

Effects Of Storage Environments On The Solderability Of Nickel Palladium- Gold Finish With Pb-Based And Pb- Free Solders

The solderability of a nickel-palladium-gold (Ni-Pd-Au) finish on a Cu substrate was evaluated for the Pb-free solder, 95.5Sn-3.9Ag-0.6 Cu (wt.%, abbreviated Sn-Ag-Cu) and the eutectic 63Sn-37 Pb (Sn-Pb) alloy. The solder temperature was 245° C. The flux was ...

Credits: Sandia National Laboratories

The Effects of Long-Term Storage on Solderability of Semiconductor Components

In today's consumer-driven electronic marketplace many products have a limited useful life and component suppliers are moving to shorter product lifecycles. However, there are several industries that require semiconductor components to have a much longer lifecycle. In many cases ...


Forum sesults for related keywords - long-term storage : 20

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Electronics Forum

FR4 -- Hi, how to automate FR4 sticking one a small section of flex circuit? Currently, we're sticking one by one manually. I need some ideas to improvise, like, loading in 1 flex circuit, then the machine sticks Fr4 onto the flex. Any suggestions please.

Views: 2855

Is there a Selective Soldering board design IPC standard? -- We are fairly new to selective soldering. I would like to find out if there is an IPC PCB design standard to allow for selective soldering.

Views: 785

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SMT, PCB Electronics Assembly Manufacturing News

VJ Electronix Wins 2022 NPI Award for New Microfocus X-ray Inspection System

VJ Electronix Wins 2022 NPI Award for New Microfocus X-ray Inspection System... | VJ Electronix

VJ Electronix Wins 2022 NPI Award

North American PCB Industry Sales Up 7.7 Percent in January

IPC Releases PCB Industry Results for January 2022... | IPC

IPC: PCB Industry Sales Up 7.7 Percent

SMT Processes Certification, Harsh Environments Conference Coming to Amsterdam

The SMTA is pleased to announce an SMT Processes Certification Program is scheduled for May 16-18, 2022 in Amsterdam, Netherlands. Keith Bryant, KB Consultancy, will instruct the program. The program is co-located with the Electronics in Harsh Environments Conference taking place May 17-19, 2022.... | SMTA

SMTA process crtications conference

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SMT / PCB Products






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MS-11e High Speed In-Line SPI System








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Electronic Equipment Mart

MART - Used Equipment For Sale

 Lewis & Clark Viscom S3088  AOI

AOI / Automated Optical Inspection

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KD Electronics - ASM Siemens Parts

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Events Calendar


Pan Pacific Microelectronics Symposium | January 31 - 3 | SMTA

Dallas Expo & Tech Forum | March 22 | SMTA


ZESTRON Analytical & Support Services

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Training Courses



IPC Certification

Soldering & Rework

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Electronics Assembly

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Online Training

 EPTAC - Your 2021 IPC Training Schedule

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

Electronics Manufacturing and PCB Assembly Training Courses

Hand Solder Rev 8 Certification Course
Mar. 14 - Mar. 18, 2022 | New York, Rochester | EPTAC Corporation

Component Identification Online Live Certification
Mar 25, 2022 | New Hampshire, Manchester | EPTAC Corporation

IDEA-STD-1010 Essentials For Counterfeit Component Identification Online Live
Apr 13, 2022 | New Hampshire, Manchester | EPTAC Corporation

Counterfeit Components Workshop Online Live Training
Apr 15, 2022 | New Hampshire, Manchester | EPTAC Corporation

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Career Center

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Field Service Engineer
Florham Park, NJ | Heller Industries Inc.

SMT Process Engineer
Milwaukee, WI | Cree Lighting

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Santa Cruz, CA | Dynamic Engineering

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Suwanee, GA | MacDermid Alpha Electronics Solutions

Nashville, NC | ACDi

Sr, CAD Engineer (SMT stencil)

Bangalore, India

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

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