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Evaluating The Accuracy Of a Nondestructive Thermocouple Attach Method For Area-Array Package Profiling

Evaluating The Accuracy Of a Nondestructive Thermocouple Attach Method For Area-Array Package Profiling

Image: TC attachment on top of the BGAThe oven recipe, which consists of the reflow oven zone temperature settings and the speed of the conveyor, will determine a specific time-temperature profile for a given PCB assembly. In order to achieve a good quality PCB assembly, the time-temperature profile should be within the product and process specifications. This is determined by the solder paste, components and substrate tolerances...

(...) The goal of this study was to identify a non-destructive method for TC attachment that provides a small offset to the "actual temperature under a BGA".

Read Article...

Authors:

Brian O'Leary, Tim Grove, Dr. S. Manian Ramkumar

Organisation:

KIC , Rochester Institute of Technology

Visit the Technical Library... Submit Your Technical Paper...

Featured New Products

QUALITEK BGA 2025

QUALITEK BGA 2025 Rework Station

Rework Station

For the lead free process and for BGA re-balling. Non-contact infrared temperature sensor achieves closed loop control during rework... »»

Offered by: Qualitek International

CT-90L

Pass-Thru Inline Conveyor

Pass-Thru Inline Conveyor

SMEMA-compatible safe, buffered transport of PCBs through each stage of assembly. Work area of up to 390mm x 820mm...  »»

Offered by: Manncorp

ProntoVIEW-MARKUP

ProntoVIEW-MARKUP Assembly viewer software

Assembly viewer software

Used across the entire production floor. Can create process and assembly aid documents... »»

Download Trial

Offered by: Unisoft

Featured auction

X-Line Electronic Equipment Auctions

Carter Group, Canada

Online Auctions | X-Line Asset Management

Tue, January 11 | Location of Assets: Ontario, Canada

Late Model MYDATA Placement, Surface Mount & Test Equipment, (2) Complete SMT Lines...»»

Visit the Equipment Auctions Calendar...

For Sale Online

IPC A-610E Acceptability of Electronic Assemblies

IPC A-610E Acceptability of Electronic Assemblies

A must for all quality assurance and assembly departments, IPC-A-610E illustrates industry-accepted workmanship criteria for electronics assemblies through full-color photographs and illustrations.

BEST, Inc

Electronic Equipment Mart

MPM UP 3000/A
Screen Printer

MPM UP 3000/A

Key Tech Solutions

all marketplace listings

Vitronics mySelective 6745
Selective Soldering

Vitronics mySelective 6745

IBE

all marketplace listings

Camalot XyflexPro 7200
Adhesive Dispenser

Camalot XyflexPro 7200

PPM

all marketplace listings

Universal Instr. Genesis
Chipshooter

Universal Instruments Genesis

CEE

all marketplace listings

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

Forum

Solder Paste Printing to 0.005" | Posted by Dennis O'Donnell

Does anyone have any experience in printing solder paste on a 0.0065" pad? I have a requirement to attach single chips with 600 to 2400 connections. The chip has a 0.005" solder ball, 0.010 pitch... »»

Mirtec programming discussion | Posted by CL

I have worked with the Mirtec MV2 and 3 for several years. I did perform some evaluation of the red/blue filters. We found it to be usefull for some specialty solder inspections but we found it most usefull for solder inspection of plated test points... »»

Changing Ni/Au finish to HASL lead free | Posted by JohanH

The buyers in our company like to change the PCB finishing because of reducing costs. The proposed change is going from Ni/Au to HASL lead free... »»

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

Forum

IPC Conference on Printed Electronics: What Does It Mean For the Printed Circuit Board Industry?

Conference | Tue, Jan. 18 | Sponsored by: IPC

Industry estimates project that by the end of 2010, printed electronics will be 35 percent of a $1.92 billion printed, thin film and organic electronics market... »»

Soldering 101 Training

Seminar/Course | Thu, Jan. 20 | Sponsored by: BEST Inc

Soldering 101 provides beginning soldering students or those new to the electronics industry with knowledge and hands on skills... »»

Cleaning Options & Cost in PCB Assembly

Online Webinar | Thu, Jan. 27 | Sponsored by: The SMART Group

The majority of the industry have been running no clean processes for many years and have often neglected important issues like design for cleaning, selecting compatible components and compatibility between cleaning materials and flux residues... »»

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

Career Center

Jobs:

SMT Maintenance Technician

Variosystems, Inc.

Southlake, TX, USA

Troubleshoot & Maintain: Siemens (Siplace) placement machines, JOT, MPM... »»

Quality Engineer

NBS Inc.

Santa Clara, CA, USA

Identify weaknesses in processes, procedures, work instructions, determine opportunities for improvement... »»

SMT Technician

Greene Resources

Durham, NC, USA

Must possess knowledge of components and commonly used concepts, practices and procedures... »»

More Jobs:

Post Job Listing for Free...

Resumes:

Debug Technician

Desired Field: Production, Engineering

Leominster, MA, USA

I work as a Debug Technician for 10 years. Skilled in Debug PCB's down to component level... »»

Electrical Engineer/Physical Chemist

Desired Field: Research and Development

Columbia, MO, USA

I have a wide range of experience, from working for a defense contractor to one of the world's largest manufacturers... »»

SMT Process and Maintenance Engineer...

Desired Field: Engineering

Juarez, Chihuahua, Mexico

I have more than 5 years of experience working at SMT and final assembly lines...»»

More Resumes:

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 | Bookstore

Next Event: Pan Pacific Microelectronics Symposium 2011 - Jan. 18


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 2011 Winter Interim Standards Development Meetings - Jan. 12


SMTnet Express
January 6, 2011

Subscribers: 25363


SMTnet Members:

Companies: 8532

Users: 32207

Mirtec AOI and SPI Systems

Aqueous Technologies Zero-Ion g3

The Mark III Reflow System

Kyzen Cleaning Chemistries

PCB Equipment Auctions

Capital Equipment Exchange - Used PCB Assembly Equipment

PPM - Pre-Owned Quad, MPM Equipment

IBE - Used SMT Equipment

Newsletter Editor - Anna Girouard, listings(at)SMTnet.com, 1-207-780-0887

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

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