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SMTnet Express June 20, 2013, Subscribers: 26136, Members: Companies: 13402, Users: 34820

Technical Library

Low Surface Energy Coatings Rewrites the Area Ratio Rules

by: Ricky Bennett; Assembly Process Technologies, Eric Hanson; Aculon

With today's consumer technologies driving the need for denser and more compact devices, the assembly process for surface mounted devices has becoming increasingly more difficult. With the mixture of components requiring a broader range of print deposition volume, various techniques are in use in an attempt to ensure consistent and appropriate paste volume is achieved.

Some of these techniques include step etching a stencil locally on a targeted device, promoting electroformed smooth wall nickel stencils, through to laser cutting newer grade stencil materials.

This paper focuses on the relevant attributes that affect the properties of solder paste release and introduces the effects of surface free energy with respect to key elements that make up the stencil printing process.

First published in the 2012 IPC APEX EXPO technical conference proceedings.

read article »

Forum search results for related keywords: paste release, transfer efficiency, stencil aperture

SMT / PCB Products

Cybersolv� C8502
Reflow Oven Cleaner
Cybersolv� C8502 Wave Solder Finger Cleaner

For all types of baked on flux...

by: Kyzen

C-341 Selective Conformal Coating...
C-341 Century Selective Conformal Coating System

Automated benchtop system for selectively...

by: Asymtek

MPM Accela
Stencil Printer
MPM Accela Stencil Printers

With unmatched tooling capabilities...

by: Speedline

FINEPLACER� core+
BGA Rework Station
FINEPLACER� coreplus BGA rework station

The perfect blend of performance and cost...

by: Finetech

iico Pick & Place System (new!)
iico Pick & Place System

For the latest electronic production needs...

by: Europlacer

SP700avi
Stencil Printer
SP700avi Inline Stencil Printer

Utilising the most advanced drive...

by: Speedprint

SM451
Chipshooter
SM451 Chipshooter

High precision, multi function placer...

by: SAMSUNG

Mark5 Series -
Reflow System
The Mark III Reflow System

Up to 40% reduction in nitrogen consumption...

by: Heller

SMT / PCB Equipment Auctions

X-Line - SMT Equipment Auctions

Complete Closure of PCB Fab Facility

July 9 - 10 | auction by: X-Line Asset Management

Electronic Equipment Mart

Fuji XPF-L
Placement System
Fuji XPF-L Placement System

IBE SMT Equipment

all marketplace listings

Crown Simplimatic
Reflow Exit Conveyor
Crown Simplimatic Reflow Exit Conveyor

PPM

all marketplace listings

Mydata
Feeders
Mydata Feeders

CE Exchange

all marketplace listings

Electrovert Aquajet
Stencil Cleaner
Electrovert Aquajet Stencil Cleaner

JMW Enterprises

all marketplace listings

Events Calendar

Counterfeit Electronics Symposium East
June 25

Cleaning Process Control - Free Online Webinar
July 18

Career Center

Jobs:

Application & Support Specialist - Semiconductor/SMT

Manchester, NH, USA | Finetech

Technical Support Engineer

Poole, Dorset, UK | EUROPLACER

Senior SMT Printing Applications - Sales Engineer

Franklin, MA, USA | Speedline Technologies

Resumes:

SMT Engineer

Melbourne, FL, USA

Security Systems Engineer

Trivandrum, India

Accounting & Payroll Administrator

Surrey, BC, Canada

Industry Associations Events

SMTA

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

Next Event: Webinar: PoP Applications, Requirements, Infrastructure and Technologies - July 16


IPC

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 Programs | Standards & Publications - Online Store

Next Event: IPC APEX India - August 27 - 29


Technical Editor - Davef (submit your technical articles)

Newsletter Editor - Anna Girouard

SMTnet.com, 98 Elm Street, Portland, Maine 04101 USA, Tel.207-780-0887.

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Used PCB Assembly Equipment - CE Exchange

Software for PCB Manufacturing - Unisoft

PCB Cleaning products - Zestron

SMT Solder Products - Amtech

Used SMT Equipment - IBE

Momentum Series Stencil Printers - Speedline

PCB Equipment Auctions - X-Line

Mark5 SMT Reflow Oven - Heller

ii-Feed tape feeding solution for Europlacer machines

NextJet Fluid Dispensing - Asymtek

FINEPLACER� coreplus BGA rework station - Finetech

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