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SMTnet Express, June 5, 2014, Subscribers: 22800, Members: Companies: 13884, Users: 36269

Technical Library

Stencil Printing Yield Improvements

Mike Bixenman, Debbie Carboni, Jason Chan; Kyzen

Stencil printing capability is becoming more important as the range of component sizes assembled on a single board increases. Coupled with increased component density, solder paste sticking to the aperture sidewalls and bottom of the stencil can cause insufficient solder paste deposits and solder bridging. Yield improvement requires increased focus on stencil technology, printer capability, solder paste functionality and understencil cleaning.

(...) The purpose of this research is to study the wipe sequence, wipe frequency and wipe solvent(s) and how these factors interact to provide solder paste printing yield improvement.

read article »

Forum search results for related keywords: stencil printing, stencil cleaning, under stencil wipe, cleaning agent.

SMT / PCB Products

ProntoGERBER CONNECTION

by: Unisoft

in: Software

MV 7 OMNI
In-Line AOI Machine

by: Mirtec

in: Inspection

HYDRON´┐Ż WS 400 - OA defluxing at 3%-5% Concentration (new!)

by: ZESTRON

in: Cleaning

EXCEN PRO High Speed
Modular Mounter

by: SAMSUNG

in: Pick & Place

Flux-Righter™ Rework soldering tool

by: AMTECH

in: Solder Materials

KE-Series Placement Machines

by: Juki

in: Pick & Place

TruView - Fully Modular X-Ray System

by: Creative Electron

in: Inspection

Delta 6 Selective Coating & Dispensing System

by: PVA

in: Dispensing

Island Series Benchtop Fluid Dispensers

by: GPD Global

in: Dispensing

Mark5 Series -
Reflow System
The Mark III Reflow System

by: Heller

in: Reflow

Lzero3 Storage and Retrieval Cabinet

by: Europlacer

in: Material Handling/Storage

SP700avi
Stencil Printer

SP700avi Inline Stencil Printer

by: Speedprint

in: Printing

SMT / PCB Equipment Auctions

Surplus Manufacturing and Assembly Equipment Hungary

June 4 - 5 | by: X-Line Asset Management

Electronic Equipment Mart

Samsung RF-2082C

Reflow Ovens

by: AdoptSMT Europe

DEK 248CE

Screen Printing Equipment

by: PPM

Fuji CP-743E

Chipshooters

by: IBE SMT Equipment

Speedline Electra

Wave Solder Equipment

by: X-Line

NMA 40.5"
Conveyor

Conveyors

by: JMW Enterprises

Universal Instruments GSM1

Pick and Place Equipment

by: CE Exchange

ETA E10 Lead-free Reflow Oven

Reflow Ovens

by: Shenzhen ETA

Juki KE750/760/2050/2060

Pick and Place Equipment

by: Shenzhen Tek...

Events Calendar

Mid-Atlantic Design-2-Part Show

Chantilly, VA, USA | June 11 | Design-2-Part Shows - The largest design and contract manufacturing show in the Mid-Atlantic region...

Upper Midwest Expo & Tech Forum

Bloomington, MN, USA | June 18 | IPC - Workshops and a technical conference, in addition to exhibits from leading PCB and electronics assembly equipment manufacturers...

Solutions for Difficult to Clean Components - Online Webinar

Online | July 24 | ZESTRON Corporation - An overview of various board and component geometries that present cleaning challenges...

Career Center

Jobs:

SMT Operator

Rockleigh, NJ, USA | Crestron Electronics

SMT Equipment Technician

Boise, ID, USA | FLEXTECHS

SMT Operator

Phoenix, AZ, USA | Triad Electronic Technologies

Resumes:

SMT Prosess Engineer

Delhi, India

SMT Machine Operator

Mesa, AZ, USA

Manufacturing Engineer /Smt programmer

Sullivan, OH, USA

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: Free Webinar: Printed Electronics Technologies - June 11

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: IMPACT 2014: IPC on Capitol Hill - June 10 - 11

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

Quantum Series In-Line, Large-Format Fluid Dispensing for SMT, PCB, and MEMS - Nordson Asymtek

Used SMT Equipment

ii-Feed tape feeding solution for Europlacer machines

Fluid Pressure Control - a breakthrough in uniform fluid dispensing - GPD Global

Mark5 SMT Reflow Oven - Heller

SP700avi inline smt screen printer - Speedprint

Global Source for Advanced SMT Solder Products - Amtech

Used SMT Equipment - IBE

Europe's No. 1 source for pre-owned SMT equipment - AdoptSMT

Pre-Owned Quad, MPM Equipment - PPM

JUKI's machines offer you the Lowest Cost of Ownership in the industry.

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