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SMTnet - where else would you meet over 500,000 industry professionals? Fully automatic Selective Soldering Systems. Inline with multiple modules or stand alone for cost effective soldering solutions

SMTnet Express, September 28, 2017, Subscribers: 30,862, Companies: 10,741, Users: 23,873

Technical Library

An Investigation into the Use of Nano-Coated Stencils to Improve Solder Paste Printing with Small Stencil Aperture Area Ratios

Jasbir Bath, Tony Lentz, Greg Smith; FCT ASSEMBLY, INC.

These nano-coatings also refine the solder paste brick shape giving improved print definition. These two benefits combine to help the solder paste printing process produce an adequate amount of solder paste in the correct position on the circuit board pads. Today, stencil aperture area ratios from 0.66 down to 0.40 are commonly used and make paste printing a challenge.

This paper presents data on small area ratio printing for component designs including 01005 Imperial (0402 metric) and smaller 03015 metric and 0201 metric chip components and 0.3 mm and 0.4 mm pitch micro BGAs.

Forum search results for related keywords: area ratio, 01005, transfer efficiency, nano-coating, 0.4 mm pitch,

SMT / PCB Products


Surface Finish

Nordson March


GPD Global

Pick & Place

Count On Tools

Solder Paste Stencils

BEST, Inc.

Selective Soldering




Hand Assembly

Virtual Industries


BTU International









VJ Electronix


Precision PCB Services








SMT / PCB Equipment Auctions

Research Lab and Test Equipment

Fuji XP241E With Tray Loader, Fuji 0201 CP Feeders, Fuji CP Feeder Calibration Jig...

October 2 - 3 | X-Line

Sealed Bid Auction

Heller 1808 EXL, Universal Advantis, Universal 4797L, Dek Horizon 01...

Sept. 28 - Oct 12 | Baja Bid

Electronic Equipment Mart

HMI MSP-485 Semi Auto

Screen Printing Equipment

Recon Inc

Electrovert Electra 500F

Wave Solder Equipment

ECM Equipment Sales, Inc.

Ekra E1

Screen Printing Equipment

AdoptSMT Europe GmbH

Universal Genesis GX-11D

Pick and Place Equipment/Feeders

Capital Equipment Exchange

Agilent SJ50 Series 3 AOI

Inspection Equipment

IBE SMT Equipment

Yamaha YV100XG

Chipshooters / Chip Mounters

KD Electronics Ltd.

Events Calendar

CTEA Austin Expo & Tech Forum | October 10 | SMTA

IPC & WHMA Wire Harness Manufacturing Conference | October 3 | IPC

TPCA Show | October 25 - 27 | Taiwan Printed Circuit Association (TPCA)

Training Courses

IPC Training & Certification Courses

Soldering & PCB Rework Courses

PCB Cleaning Webinar Series | ZESTRON Corporation

Career Center

Manufacturing Engineering Manager

Eden Prairie, MN

Logic PD, Inc.


Dorval (Montreal), Canada

Cancino Technologies Corporation

Senior Design Engineer

Murphy, NC

Aegis Power Systems

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

Technical Editor - Davef (submit your technical articles)

Newsletter Editor - Anna Girouard, 98 Elm Street, Portland, Maine 04101 USA, Tel.207-780-0887.


Used PCB Assembly Equipment - CE Exchange

Adjustable SMT Carrier - MB Manufacturing

Online Auction - Heller 1808 EXL, Universal Advantis, Universal 4797L, Dek Horizon 01, and more...

Experience the Blackfox Difference - Premier IPC Training & Certification Center

NEW PDR Products for IR Thermal Test and Rework

Nitrogen Capable SMD & BGA Rework Station - Rework Tools

Fluid DISPENSING pumps for integration into your system - GPD Global

Vacuum Tweezers - pick up small components with ease

HELLER - Choose an Oven for Your Reflow Needs

KIC - Making Reflow Ovens Smarter

ii-Feed intelligent pick and place feeder

Kyzen Free PCB Cleaning Audit

Speedprint SP700avi inline SMT screen printer

Late Model SMT equipment ONLINE AUCTIONS

Pre-Owned SMT - Siplace, DEK, Asys, Mydata, Rehm and more...

KD Electronics - High quality SMT nozzles, feeders, cutters, filters, etc

Quality Pre-Owned SMT Eequipment - Robo-Tek

SMTnet - Electronic Industry Hub

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