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Screen and Stencil Printing Processes for Wafer Backside Coating
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Screen and Stencil Printing Processes for Wafer Backside Coating

Stencil printing equipment has traditionally been used in the surface mount assembly industry for solder paste printing. In recent years the flexibility of the tool has been exploited for a wide range of materials and processes to aid semiconductor packaging and assembly. One such application has been the depsoition of adhesive coatings onto the backside of silicon wafers.

This paper looks at the application of two totally different epoxy materials to the non active side of silicon wafers – one providing a B-stageble die attach layer and one providing a protective laser-markable cover layer aimed at protecting individual die from damage during dicing.

Credit / Source: Mark Whitmore, Jeff Schake DEK

Read Article...

Featured New Products

MV-7 Series

Mirtec MV-7 Series

In-Line AOI Machine

Designed to automatically inspect for manufacturing defects both pre and post reflow. In-line capability for increased throughput... »»


Offered by: Mirtec

Auto-Dip 2100T

Soldering System

Fast, efficient, and reliable alternative to manual lead-free soldering. Large 490 mm x 320 mm (19.3" x 12.6") work area...  »»


Offered by: Manncorp

ProntoTEST-FIXTURE

ATE, MDA Software. Download Trial

Programs ATE MDA, and flying probe test equipment and design the "Bed of Nails" test fixtures...  »»


Offered by: Unisoft

More New Products:

DEK: Europa Vi Screen Printer...

Austin American Technology: X-Series Batch Cleaning Systems...

ERSA: HOTFLOW 3/20 10 Zone Reflow Oven...

Featured auction

GoIndustry DoveBid Electronic Equipment Auctions

Electronics Manufacturing Exchange #113 hosted by Honeywell

GoIndustry DoveBid

Sale Type: Online Auction

Beginning Date: Tue, September 15, 2009

Ending Date: Wed, September 16, 2009

Location of Assets: USA

Major Auction of SMT & PCB Manufacturing, Test & Measurement, and Semiconductor Fabrication Equipment from State-of-the-Art Manufacturing Facilities

Read more...


Accutronics Contract Manufacturing

X-Line Asset Management

Sale Type: Online Auction

Beginning Date: Tue, September 15, 2009

Ending Date: Wed, September 16, 2009

Location of Assets: USA

Complete Closure of Modern Contract Assembly Facility

Read more...

Electronic Equipment Mart

Ekra X4
Screen Printer

Ekra X4 Screen Printer

X-Line

BTU VIP98N
Reflow Oven

BTU VIP98N Reflow Oven

onlineSMT

Fuji XP-143E
Chipshooter

Fuji XP-143E Chipshooter

IBE

ELECTROVERT
Wave Solder

Electrovert Vectra

Recon

More Equipment Listings:

Juki KE750 / 760 pick and Place

Conceptronics 60 Air Reflow Oven

DEK 265 GSX Screen Printer

Visit Used Equipment Mart... Post Your Equipment Listing Free...

Learn More...

Forum

BOM - what software or system you use?

Posted by leadthree

I am interested to learn what software you use to handle BOMs. So far we just use static Excel sheets, so different BOMs are not connected. I wonder what other companies use. I was looking into some GPL licensed (means free) packages, but most are ERP with a BOM function, which is a bit over the top... »»

Immersion SIlver PCB --> Creeping Corrosion

Posted by Sean

I have few questions about creeping corrosion that potentially happen on lead free immersion silver PCB as below: 1) What test that we can conducted to verify whether the failure we seen is due to creeping corrosion?... »»

Wave Direction/Package help

Posted by BACON: the candy of meats

I need some clarification. Our company is working with a start up company on some prototypes. On the bottom of the assembly they are placing a SOT23-5 component. It is being presented to the wave so the lead banks are parallel to the wave... »»

More Forum Topics:

Philips Orion, was running perfectly, now won't recognize parts...

How many times can a component go through reflow oven?...

BGA inner hairline crack...

Visit the Forum... Have a Question? Ask for Free...

Forum

IPC Midwest

Trade Show/Exhibition IPC

Wed, September 23 | Renaissance Schaumburg Hotel & Convention Center, Schaumburg, IL, USA

Come to the show that’s focused on your needs, your industry and electronics assembly and printed boards... »»

Northwest Design-2-Part Show

Trade Show / Exhibition | The Job Shop Company - Design-2-Part Shows

Wed, September 16, 2009 | Metropolitan Exposition Center, Portland, OR, USA

America's largest and longest running contract manufacturing shows for the sourcing of custom parts, services and design. Regional tradeshows covering the USA provide OEMs the opportunity to meet local and national job shops... »»

Engineering Documentation Control / CM Seminar

Seminar / Course | EC3 Corp

Thu, September 17 | Best Western Alpenglo Lodge & Conference Center, Portland, Winter Park, CO, USA

"Bridging The Gap" between Design Engineering and Operations by exceptional Configuration Management. Sets the stage for innovation. Basics and more about engineering releases, bills of material, requesting changes and making changes... »»

More Events:

SMTA International Electronics Exhibition 2009...

2009 Medical Electronics Symposium: Drivers for Technology, Health, and the Economy

Lead Free Technology For Electronic Assemblies Problems and Promises and RoHS Implementation: Two Day In-Depth Course...

Visit the Event Calendar... Add Your Event Now...

Career Center

Jobs:

Test Engineer - RF

Senior Systems Technology

Palmdale, CA, USA

Seeking a Test/Design Engineer with extensive RF, design, and deployment of test systems experience (...) Designs and directs electrical engineering... »»

Manufacturing Engineer: PCB/Electronics

Aerotek

Knoxville, TN, USA

To review engineering documentation for manufacturability and to support transitioning projects to production... »»

SMT Operator Technician

LACE Technologies

St. Charles, IL, USA

We are looking for an individual that values hard work and understands the opportunity of working with a mid-sized company for growth potential...»»

More Jobs:

RF “SUPER TECH” TEST TECHNICIAN...

SMT Process Engineer...

Design Engineer...

Post Job Listing for Free...

Resumes:

Sr. Manufacturing Engineer

Desired Field: Engineering

Lakewood, CA, USA

A Manufacturing Engineer with over 20 years of experience in developing manufacturing processes for automated and manual assembly... »»

Manufacturing/Process Engineer

Desired Field: Production, Engineering

FL, USA

High Reliability and Commercial electronics manufacturing experience with Circuit Card Assembly (CCA), Electro-Mechanical... »»

Technical Specialist

Desired Field: Maintenance, Production, Technical Support

Kemaman, Malaysia

Conduct repairs and troubleshooting of production equipment to avoid / minimize production downtime...»»

More Resumes:

Quality Control/Production and Management...

Experienced Engineer...

SMT Equipment Technician...

Post Your Resume for Free...

Visit Career Center...

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 for SMT Processes and Six Sigma Green Belt

Bookstore

Next Event: Medical Electronics Symposium - September 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: High Density Interconnect Webcast Series: "Overview and Design" - September 14 - 18


SMTnet Express
September 10, 2009

Subscribers: 26186


SMTnet Members:

Companies: 7794

Users: 27549

Go-Dove Electronic Equipment Auctions

Aqueous Technologies Trident Defluxing System

Mirtec

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