CAM-LEM, Inc. Announces Ceramic and Metal Prototyping Services

From: Brian B. Mathewson (
Date: Wed Mar 01 2000 - 01:33:06 EET

CAM-LEM, Inc. has just announced the official start of our
commercial business operations, exploiting a suite of new
technologies to create metal and ceramic components for
prototyping and limited-quantity production.

We developed these technologies over the past four years in
conjunction with Case Western Reserve University, two
governmental agencies, and several industrial partners, and
are now offering them to the commercial marketplace.

We believe that we have a new set of solutions to
manufacturing challenges associated with both prototyping
and limited scale production.

Our technologies allow designers to:
     * Increase their design flexibility
     * Interchange materials freely
     * Introduce novel structures into their designs
     * Invent new things

Below is the text of the announcement. For more
information, please call or visit our web site at

Brian B. Mathewson

FOR IMMEDIATE RELEASE: Tuesday 29 February 2000


CAM-LEM, Inc. Announces Start of Commercial Business
Operations for Prototyping of Ceramic and Metal Components
Using Leading-Edge Technologies

     CLEVELAND, OHIO -- CAM-LEM, Inc. today announced the
start of its commercial operations for prototyping and
limited-scale production of ceramic and metal components
directly from three-dimensional computer models. The
company has developed expertise in an array of leading-edge
technologies that together provide a suite of solutions to
the manufacturing challenges associated with prototyping
these parts.

     First is CAM-LEM's new Inteform process, which exploits
a recently patented joining technology. This process bonds
molded or green-machined powdered metal or ceramic component
sections in the "green" state such that during conventional
sintering the sections fuse to form high-integrity,
gas-tight components. The company predicts that it will
simplify the manufacture of complex parts and open up
dramatic new potential for introducing novel structures into
components. "This is an exciting technology because it
gives the designer more freedom to innovate without having
to worry about how the part will be built," said Brian
Mathewson, lead engineer at CAM-LEM. "We can break apart a
complex design into simpler sections that can be formed
separately. But since they fuse together before firing, you
don't need fasteners, seals, welds, or other bonding
techniques to keep the sections together." It also permits
the ready formation of features such as serpentine fluid
flow channels and shaped internal surfaces that are
difficult to produce using other techniques.

     CAM-LEM, Inc. is also pursuing commercial applications
for their newly-developed CL-100 machine, which is based on
two additional patents. It rapidly creates green ceramic
and metal components by stacking and fusing together
laser-cut sections of sheet feedstocks. Manufacturers
designing new ceramic parts may see the biggest benefit.
"This process overcomes many manufacturing hurdles," said
Mathewson. "With this approach it is not necessary to
create expensive steel molds or perform diamond machining
after firing. Now, we can take your prototype design and
build it directly." In addition to saving time and money,
the process allows creation of highly complex shapes.

     The company has also developed expertise in several
other technologies relating to prototyping of metal and
ceramic components. Significantly, for limited-quantity
production of ceramic and metal parts the company creates
its own custom-formulated casting mixes for use in
semi-permanent tooling created using rapid prototyping.

     CAM-LEM, Inc., was founded in 1994 and has developed
technologies in conjunction with a number of governmental
and industrial entities since its inception. Materials used
include steels, iron-nickel alloys, both oxide and nonoxide
ceramics, and others. Its research was conducted in
conjunction with Case Western Reserve University of
Cleveland, Ohio, with which it has a technology transfer

Additional information is available via the company's web
site at

For further information contact:
     Brian B. Mathewson Phone: 216-268-2041 Fax: 216-851-5517

FOR IMMEDIATE RELEASE: Tuesday 29 February 2000

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