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Mass Analysis Of The Components Separated From Printed Circuit Boards.  

Mass Analysis Of The Components Separated From Printed Circuit Boards.

Methods of effective and ecological recycling of printed circuit boards (PCBs) are searched all over the world at this time. The material composition and temperature properties of PCB are necessary to be known for an optimal recycling technology.

For this purpose we analyzed weight ratio of the electronic components moulded on the selected kinds of PCBs and next we formulated mathematic model of temperature field in PCB during a grinding process in that the metal layers are separated from the plastic elements. We present the obtained results in this paper.

Read Article...

Author: Hana Charvátová, Dagmar Janáčová, Miloslav Fialka and Karel Kolomazn�k

Organization: Acta Montanistica Slovaca

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

Featured New Products

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October 5 - 6 | Location of Assets: USA

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September 28 - 29 | Location of Assets: USA

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A variety of solder training kits for training and certifying personnnel - lead free and tin-lead versions.

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Asymtek Spectrum S-820 Adhesive Dispenser

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ORBOTECH Verifast21 Repair Station


28 pin QFN Pads | Posted by PCB

I have designed 4 Layer PCB with one 28 pin QFN PKG. I have got complaint from Production that the pads which connected to thermal pads (gnd) thru trace is bridging with solder and because of this bridge, pins are not getting soldered properly... »»

Tin HASL finish soldering problems | Posted by T.E.A.M. Services

We are having an issue with a PCB supplier. Their Tin HASL layer seems to be the problem. We have tried working with them to correct their process... »»

Reflow Oven Cool down | Posted by AL

Our facility is typically a high mix low volume site, but lately we are getting increments on our requirements therefore we are kind of struggling to cool down our ovens before to change over a different recipe... »»


SMTA International

FIVE days of learning opportunities. Learn more and don�t feel rushed.

A two day exhibition of industry's leading supplier of equipment, materials, and services. The industry's world class technical conference offering 130 technical papers, 20 short courses, and four focused symposiums ... »»

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Electronics Midwest

Solve your challenges with education, networking, resources and expertise.

Find the products you need at the Midwest's largest electronics manufacturing marketplace. Discover the latest equipment, chemicals, materials, software and services for electronics manufacturers... »»

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Career Center


Process Engineer

Schweitzer Engineering Laboratories

Pullman, WA, USA

Research, develop, implement, and support custom automation solutions for manufacturing... »»

Quality Manager

Barrows Search Associates, Inc.

Rochester, NY, USA

Quality Manager has the responsibility of ensuring that the quality process is carried out correctly and to documentation... »»

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Little Falls, NJ, USA

We are looking to add a sales person to our east coast facility.... »»

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Technology NPI R&D Eng Tec

Desired Field: Engineering, Production

Stoneham, MA, USA

Seeking a position as an engineer or related discipline which offers key participation toward initiatives that utilize state-of-the-art, equipment... »»

Sales Manager

Desired Field: Sales/Marketing

Danville, CA, USA

Seeking a challenging sales position with a dynamic company... »»

Experienced Technical Specialist

Desired Field: Engineering


Electronic manufacturing and semiconductor equipment programming...»»

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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: Upper Midwest Chapter: Atlantic Canada DFX Chapter Tutorial Program - September 29


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: What�s New in IPC-A-600H and IPC-6012C Professional Development Workshop at Electronics Midwest - September 27

SMTnet Express
September 23, 2010

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Users: 30131

IBE - Used SMT Equipment

Capital Equipment Exchange - Used PCB Assembly Equipment

Aqueous Technologies Zero-Ion g3

Kyzen - Precision Cleaning Products

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Newsletter Editor - Anna Girouard, listings(at), 1-207-780-0887, 98 Elm Street, Portland, Maine 04101 USA, Tel.207-780-0887.

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