For training and educational purposes for staff of electronic assembly lines I need an 10-pages overview of electronic packages including advanced Pakages like BGAs, µBGAs, QFNs, LGAs etc.
Can You give me a link or a source for suchg material?
Thank You in advance
Sincerly
Michael Jeremias
Industrial Engineering (OPPI41)
Electronics Production
((( Defence Electronics
EADS Deutschland GmbH
89077 Ulm
Tel.: +49 (0) 7 31.3 92-5533
Fax: +49 (0) 7 31.3 92-73 15
E-Fax: +49 (0) 7 31.3 92-20 5533
P Before printing, think about the environment !
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Registered Office: Ottobrunn
District Court of Munich HRB 107 648
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Managing Directors: Dr. Stefan Zoller (chairman), Michael Hecht
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Mit freundlichem Gruß
Michael Jeremias,
OPP41
Tel: 5533
-----Ursprüngliche Nachricht-----
Von: TechNet [mailto:[log in to unmask]] Im Auftrag von Bev Christian
Gesendet: Donnerstag, 19. März 2009 02:35
An: [log in to unmask]
Betreff: Re: [TN] Friday NTC question: is Vinyl really vinyl
Craig,
Sorry for the late answer I have been traveling.
The first records were made of a lacquer acetate plasticized with castor oil.
The next materials used were:
Shellac
Bakelite
Vinsol
Valtie
Vinyl chloride acetate
33-1/3 LP and 45rpm Record Material:
Vinyl records (33-1/3 LP and 45rpm) are made from polyvinyl chloride (PVC).
Information on record material types was taken in part from 'The Care and Handling of Recorded Sound Materials' by Gilles St-Laurent Music Division of the National Library of Canada, January 1996.
Vinyl chloride is a gas. PVC is a rigid solid and needs plasticizers to make it less so. In the case of cable sheathing a lot of plasticizer is needed and in many cases those plasticizers are the three phthalates on the REACH SVHC list!
Bev
RIM
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Craig Cullum
Sent: Thursday, March 12, 2009 5:11 PM
To: [log in to unmask]
Subject: [TN] Friday NTC question: is Vinyl really vinyl
Hi techxperts,
My mind got to wandering again, so here goes:
The contemporary term for what we called "records" (LP's and 45's) is "vinyl".
But to me something that is vinyl would be a lot less rigid.
So, just what kind of material are records/"vinyl" made of?
Thanks in advance.
Craig Cullum, Engineering Technologist, AMTELCO
e: [log in to unmask]
[log in to unmask]
f: 608 838 8367
v: 608 838 4194, or 4197, x128
Please visit us at www.amtelco.com
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