Ceradyne, Inc.'s Semicon Associates Division Acquires New Ceramic Impregnated Dispenser Cathode Technology
July 26 2010 - 7:30AM
Marketwired
Ceradyne, Inc. (NASDAQ: CRDN) has acquired intellectual property
for producing a controlled porosity ceramic impregnated dispenser
cathode using a patented "sintered wire" technology. This
intellectual property was acquired from Calabazas Creek Research
based in San Mateo, California.
Semicon Associates, a division of Ceradyne, Inc., has been
producing ceramic impregnated dispenser cathodes for over 55 years
using more mature porous tungsten powder technology. The basis of
this departure from traditional methodology is intended to result
in a significantly longer life with a more controlled electron
beam. Semicon will be shipping prototypes of this new cathode to
several of its customers for evaluation in the next few months.
Jeffrey Waldal, Ceradyne Corporate Vice President and President
of Semicon Associates, commented, "I am very excited about this
acquisition. The new sintered wire technology can produce over ten
times the current density and extend life by two to four times when
compared to the present state-of-the-art dispenser cathodes. We
look forward to a continued working relationship with Calabazas
Creek Research and to playing a pivotal role in advancing microwave
tube technology."
The advances in microwave tube performance that this "sintered
wire" technology produces is predicated on a "reservoir" of the
barium based ceramic and a controlled distributed porosity. The
result is a long life due to the presence of additional barium and
a uniform emission even as the cathode ages. These qualities are
prime considerations in modern microwave tube design for military
and communication applications.
Dispenser cathodes are used in a variety of vacuum electron
devices and in inert and reducing atmospheres. The most common
end-use applications include military electronic counter measures,
satellite and other communication devices, medical devices, and
scientific research.
Lawrence Ives, President of Calabazas Creek Research, stated,
"We are very pleased to find the perfect home for the sintered wire
cathode technology. Semicon Associates' track record as a world
leader in custom designed cathodes, along with their continuing
emphasis on quality and performance, speaks for itself. We view
this as the beginning of a long-term relationship as we work
together to further extend the performance of sintered wire
technology."
Information about Ceradyne, Inc.
Ceradyne develops, manufactures and markets advanced technical
ceramic products and components for defense, industrial,
automotive/diesel and commercial applications.
In many high performance applications, products made of advanced
technical ceramics meet specifications that similar products made
of metals, plastics or traditional ceramics cannot achieve.
Advanced technical ceramics can withstand extremely high
temperatures, combining hardness with light weight, are highly
resistant to corrosion and wear, and often have excellent
electrical capabilities, special electronic properties and low
friction characteristics. Additional information can be found at
the Company's web site: www.ceradyne.com.
Except for the historical information contained herein, this
press release contains forward-looking statements regarding future
events and the future performance of Ceradyne that involve risks
and uncertainties that could cause actual results to differ
materially from those projected. Words such as "anticipates,"
"believes," "plans," "expects," "intends," "future," and similar
expressions are intended to identify forward-looking statements.
These risks and uncertainties are described in the Company's Annual
Report on Form 10-K for the fiscal year ended December 31, 2009,
and its Quarterly Reports on Form 10-Q, as filed with the U.S.
Securities and Exchange Commission.
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