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Fundamentals of Solder Paste Technology

Featured Article

Fundamentals of Solder Paste Technology

Solder pastes are key materials in surface mount technology (SMT) for assembly of printed circuit boards (PCBs). Introduction of lead-free has placed new demands on materials and processes in SMT, requiring materials and process engineers to adopt to lead free whilst ensuring process yields stay at the highest possible levels. Key is the solder paste, a material of great complexity involving engineering sciences, metallurgy, chemistry and physics.

This article helps those working with solder pastes improve their understanding of this key material.

Credit: Dosten Baluch, Gerard Minogue BizEsp Ltd.

Source: Global SMT & Packaging Magazine

Read article...

Featured New Products

Desktop AOI Machine

Designed to automatically inspect for manufacturing defects pre and post reflow. The most advanced Optics System in its class... »»

manufacturer: Mirtec

Reflow Oven

In-line hot-air convection reflow system for low - volume Pb-free soldering. Handles boards up to 330 mm (13") wide... »»

manufacturer: Manncorp

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Programs most popular machines, converts CAD or GERBER files to finished selective soldering files... »»

manufacturer: Unisoft

More New Products:

Heller: The Mark III Reflow System...

Mydata: MY-Series Extended...

Samsung: SM421 Advanced Flexible Mounter...

Featured auction

Surplus Assets from a Major GSM Phone Manufacturer - Sale #1

Sale Type: Sealed-Bid Offering

Starts: Sat, Feb. 18, 2008, 1:00 AM PST

Ends: Fri, March 14, 2008, 10:00 AM PDT

Location of Assets: Alsace, France

Major Offering of Electronic Manufacturing, PCB, Processing, & Plant Support Equipment: Chip Mounters, Shooters, Component Placers, Routers, Testers, Vision Machines, etc.

Featured video

Lead Free Multi Lead Soldering
(7 min. 25 sec.)

Best, Inc instructors have put to video demonstrations of common hand soldering skills. These are not designed to be in place of live one on one training where repetitive skills and subsequent one on one feedback is given. Rather they are quick refreshers designed to be viewed if a specific skill has not been practiced in a while.

Equipment mart

Universal Edgebelt
Conveyor

Agilent 5DX
X-ray Inspection

Fuji CP-643E
Chipshooter

Camalot 5000
Adhesive Dispensing

More Equipment Listings:

Component Counters, Counting Scales, Lead Forming Machines, Pallets and Workboard Holders...

Aquastorm 90 In-Line PCB Cleaning System...

Universal GSM Feeders Available...

Visit Used Equipment Mart...

Forum

New Feature: you can now upload pictures with your postings. »»

Solder Paste Dry out

Posted by Tony SMT

What happens as solder paste is used when it becomes un-usable? Does it dry out due to flux evaporation or does it absorb to much moisture from the air... »»

THT manual assembly worker instructions

Posted by schorschimi

Manual THT assembly (10 to 300 boards, 20 to 300 THT components each)requires instructions for the semiskilled workers. These instructions should also... »»

Wire soldering

Posted by fsw

In the design stages, we have been asked about the difficulty in soldering a 4AWG (stranded) wire to a PCB for a high current application... »»

More Forum Topics:

Heller 1700SX or Heller 1700EXL for Lead free...

PCB Depaneling Router...

Dek Horizon 03i...

Visit the Forum...

Forum

Printed Wiring Board - Back to the Basics

Seminar/Course | IPC

Wed, March 12, 2008 | IPC Headquarters, Bannockburn, IL, USA

In this course, we will identify and explain the basics of printed circuit board fabrication and the different troubleshooting techniques... »»

SMTA Toronto Academy

Seminar/Course | SMTA

Wed, March 26, 2008 | International Centre, Ontario, Canada

The SMTA is pleased to announce the SMTA Toronto Academy program for 2008. SMTA Toronto will be held in conjunction with the Advanced Manufacturing Expo... »»

Electronic Circuits World Convention 11

Conference | IPC

Mon, March 17, 2008 | Shanghai, China

The purpose of the ECWC is to provide technologists involved in electronic manufacturing with a forum for the interchange of technical and management concepts... »»

Random Vibration & Shock Test Training...

Fundamentals and Practice of ESS, HALT and HASS...

PCB Layout with Altium Designer 6...

Visit the Event Calendar...

Career Center

Field Service Engineer

4 Tech Electronics Inc.

Detroit, MI, USA

We have opportunities for those with a passion for high performance/reliability machines, strong attention to details and a desire to learn... »»

PCB design engineer

San Jose, CA, USA

Design PCB layouts for High speed boards( SDRAM,DDR/DDR2 memory modules, USB flash drives) and other boards as requested... »»

Norway needs Quality Engineers

Norway

Major USA corporation with offices in Norway and India needs Quality engineers with electronic manufacturing experience. Hire from any country...»»

Field Service Engineer...

Project Engineer NPI...

Manufacturing manager...

Visit Career Center...

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 for SMT Processes and Six Sigma Green Belt

Next Event: On-line Presentation: MSD Controls for PWBs

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

Standards & Publications

Next Event: Webcast: PTH Defects in Printed Wiring Board Fabrication: Identification and Prevention

SMTnet Express
March 5, 2008

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Companies: 6862

Users: 23353

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