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SMTnet Express, October 2, 2014, Subscribers: 23352, Members: Companies: 14077, Users: 36923

Technical Library

Assembly Process Feasibility of Low/No Silver Alloy Solder Paste Materials

Jennifer Nguyen Ranilo Aranda, David Geiger, and Murad Kurwa; Flextronics International

Sn3.0Ag0.5Cu (SAC305) is the most popular near eutectic lead-free alloy used in the manufacturing processes. Over the last several years, the price of silver has dramatically increased driving a desire for lower silver alloy alternatives. As the results, there is a significant increase in the number of alternative low/no silver lead-free solder alloys available in the industry recently.

In this paper, we'll present the performance and process capability of various low/no silver alloy solder pastes. Data from printability, wetting test, slump test, solder ball test, voiding, etc... will be discussed and compared with the control SAC305 solder paste. Benefits and concerns of using low/no silver alloy solder paste materials will also be addressed.

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Forum search results for related keywords: solder paste, SAC305, lead-free.

SMT / PCB Products

CUBE.460 Selective Soldering System

Wave / Selective Soldering


HYDRON® WS 400 - OA defluxing at 3%-5% Concentration (new!)



HR 600 Hybrid
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kurtz ersa

MAX II High Precision Fluid Dispenser


GPD Global

Mark5 Series -
Reflow System
The Mark III Reflow System



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MV-2GT Series -
Desktop AOI Machine



SP700avi -
Stencil Printer

SP700avi Inline Stencil Printer



Halogen-free Solder Paste

Solder Materials


SMT / PCB Equipment Auctions

Late Model SMT, Test, Lab, & QC Equipment

November 11 - 12
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SMT Equipment and more...

October 2 - 9
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Screen Printing

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Universal Instruments AdVantis AC-30L

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HLX 8100

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AdoptSMT Europe

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Events Calendar

NEPCON Vietnam 2014

Ho Chi Minh, Vietnam | October 9 - 11 | Reed Exhibitions - Vietnam's Only Exhibition On SMT...

IMAPS 2014 - The Future of Packaging!

San Diego, CA, USA | October 13 - 16 | IMAPS - The LARGEST Conference Program for Microelectronics, Assembly, Interconnect & Packaging...

Concentration Monitoring & Control Techniques - Online Webinar

Online | October 23 | ZESTRON Corporation - This study focuses on the advancements made in concentration measurement and closed loop control...

Career Center


Circuit Board Repair Technician

Orlando, FL, USA | Amber Diagnostics

Electronic Assembler

Clinton, CT, USA | Argo Transdata Corporation

Business Development Manager

Golden, CO, USA | Photo Stencil LLC


MECHANICAL ENGINEER with 7.5 yrs experiance in SMT, Industrial Engineering & Manufacturing.


SMT Machine Operator

Mesa, AZ, USA

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

Next Event: SMT Processes Certification (SMTA International - Rosemont, IL) - September 30


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 Europe High Reliability Forum - October 14 - 15

Technical Editor - Davef (submit your technical articles)

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

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Used PCB Assembly Equipment - CE Exchange

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

ii-Feed tape feeding solution for Europlacer machines

Mark5 SMT Reflow Oven - Heller

SP700avi inline smt screen printer - Speedprint

Global Source for Advanced SMT Solder Products - Amtech

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

Used SMT Equipment - IBE

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

Pre-Owned Quad, MPM Equipment - PPM

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