Rubicon Technology to Speak About New Process to Produce Large Optical-Grade Sapphire Windows at SPIE Defense, Security and

  Rubicon Technology to Speak About New Process to Produce Large Optical-Grade
  Sapphire Windows at SPIE Defense, Security and Sensing 2013

    Rubicon to showcase its line of optical sapphire products at the event

SPIE Defense, Security & Sensing 2013

Business Wire

BENSENVILLE, Ill. -- April 29, 2013

Rubicon Technology, Inc. (NASDAQ:RBCN), a leading provider of sapphire
substrates and products to the LED, semiconductor, and optical markets, today
announced that Dr. Jonathan Levine, Director of Technical Business
Development, will be speaking about the “Synthesis and characterization of
large optical-grade sapphire windows produced from a horizontal growth
process” on Wednesday, May 1 at SPIE Defense, Security and Sensing 2013 in
Baltimore, MD. In addition, Rubicon will showcase its line of optical products
for use indefense and aerospace, instrumentation and analytical
processing,sensors and detectors,semiconductor process
equipment,andmedical and laser applications at the SPIE Defense, Security
and Sensing 2013 exhibition from April 30 through May 2 at the Baltimore
Convention Center in booth #920.

Until now, existing methods used to produce optical-grade sapphire windows
haven’t met demands for thickness and size in certain military and other
applications. Rubicon’s new technological platform is capable of growing
panels of much greater thickness. Dr. Levine will discuss Rubicon’s research
into a new horizontal growth process to produce monolithic sapphire sheets
large enough for use in next generation optical windows for military and
civilian applications.

“As sensor technology and applications have evolved, the size requirements for
sapphire sensor windows have grown substantially,” said Raja M. Parvez,
President and CEO, Rubicon Technology. “With our strong history in scaling
sapphire crystal growth and commercial scale production processes, we have
successfully produced very large sapphire blanks using a highly modified
horizontal directional solidification process. Dr. Levine will share
information about important advances in large sapphire windows with the SPIE
community at the conference.”

Sapphire is a desirable material for high-performance applications due to its
optical transparency, physical strength, resistance to abrasion and corrosion,
temperature durability, chemical inertness, and bio-compatibility. As a
result, it is ideally suited for extreme environments where material
durability is just as important as optical clarity.

Rubicon will have a number of optical sapphire products of different sizes and
orientations on display at SPIE Defense, Security and Sensing 2013 along with
a wide range of sapphire products including sapphire cores, ingots, windows,
domes and blanks. Rubicon will also be displaying large diameter wafers
ranging in size from 4 to 6 and 8 inches.

About Rubicon Technology

Rubicon Technology, Inc. is an advanced electronic materials provider that is
engaged in developing, manufacturing and selling monocrystalline sapphire and
other crystalline products for light-emitting diodes (LEDs), radio frequency
integrated circuits (RFICs), blue laser diodes, optoelectronics and other
optical applications. The Company applies its proprietary crystal growth
technology to produce very high-quality sapphire in a form that allows for
volume production of various sizes and orientations of substrates and windows.
Rubicon is a vertically-integrated manufacturer with capabilities in crystal
growth, high precision core drilling, wafer slicing, surface lapping,
large-diameter polishing and wafer cleaning processes, which the Company
employs to convert the bulk crystal into products with the quality and
precision specified by its customers. The Company is the world leader in
larger diameter products to support next-generation LED, RFIC and optical
window applications.

Further information is available at www.rubicon-es2.com.

Contact:

Garfield Group Public Relations
Beth Hespe, 215-867-8600 x235
bhespe@garfieldgroup.com
 
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