11/21/96

Good Day all:

We are looking for a silver sputter target for a Ted Pella sputter unit

(91000 Model 3).

The target should be 57-60 mm wide and 'appropriately' thin. Ted Pella,

Inc., could neither sell us one at a reasonable price (i.e. under $700) nor

give us another source. Any help would be appreciated.

Daniel L. Callahan

Mechanical Engineering and Materials Science

Rice University

dlc@rice.edu

(713) 527-8101 x3572

http://www.owlnet.rice.edu:80/~dlc/

How about silver coins? I don't know if there are any that have high enough

purity - you might need to find some old ones.

Regards,

Dr L. P. Stoter Technical Editor, MICROSCOPY & ANALYSIS

Technesis

17, Rocks Park Road email: LPS@teknesis.demon.co.uk

Uckfield, E. Sussex Phone: +44 (0)1825 766911

TN22 2AT Fax: +44 (0)1825 766911

United Kingdom

Dear Larry,

The pre-1965 US silver coins are 90%, the 1965-1968 half-dollars

are 30%. It's better to get silver lumps or wire. YMMV for other countries.

Yours,

Bill Tivol

tivol@wadsworth.org

Greetings:

In answer to the question raised by Daniel L. Callahan, silver targets,

including the 57 mm diameter size, SPI #14159-AB, are a stock item at SPI

Supplies. This item is in inventory for immediate shipment, subject to

prior sale.

Disclaimer: rather obviously, I work for SPI Supplies.

Andy

Andrew W. Blackwood, Ph.D.

Structure Probe, Inc.

P.O. Box 656

West Chester, PA 19381-0656

Ph: 1 610 436 5400

FAX: 1 610 436 5755

e-mail: ablackwood@2spi.com

WWW: http://www.2spi.com