This account is pending registration confirmation. Please click on the link within the confirmation email previously sent you to complete registration.
Need a new registration confirmation email? Click here
Stocks Under $10 with 50-100% upside potential - 14 days FREE!

Patent Granted For Asymmetrical Wafer Configurations For Rubicon Technology

Rubicon Technology, Inc. (NASDAQ:RBCN), a leading provider of sapphire substrates and products to the LED, semiconductor, and optical industries, today announced that the United States Patent and Trademark Office (USPTO) has granted a patent to Rubicon entitled, “Asymmetrical Wafer Configurations and Method for Creating the Same,” U.S. Patent No. 8,389,099. The patent covers the creation of visual and tactile indicators to make sapphire wafers asymmetric according to their crystalline orientation.

Sapphire wafers have specific orientation that is invisible to the naked eye. Rubicon has developed a simple, yet elegant, process to make wafers appear asymmetrical via visual or tactile inspection. This is important as LED and semiconductor manufacturers process sapphire wafers using specific crystalline orientations. The patent helps manufacturers in the LED and SoS/RFIC industries eliminate costly and unnecessary steps to determine orientation of sapphire wafers during processing, such as x-ray crystallography.

Epitaxy-ready wafers have either an orientation flat or an orientation notch, but this provides insufficient information: the wafer could be flipped front-to-back and still look the same yet be unusable in that state crystallographically. Only through repeated x-ray inspections could the manufacturer ensure that no wafers are reversed. If the wafers are made asymmetrical, operators at each stage of production can verify surface orientation quickly and economically, and will be confident that the wafers have been handled correctly.

Rubicon’s patent demonstrates several different solutions for making sapphire wafers asymmetric. In one solution, a rounded corner on the orientation flat or notch allows a user to easily determine that the wafer has not been reversed. In another solution, both corners of the flat are rounded to different radii. These differences are enough to determine orientation by touch or visual inspection. The technique can be applied to other substrates including silicon, silicon oxide, aluminum nitride, germanium, silicon carbide, gallium arsenide, gallium phosphide, gallium nitride, and amorphous analogs.

1 of 2

Select the service that is right for you!

COMPARE ALL SERVICES
Action Alerts PLUS
Try it NOW

Jim Cramer and Stephanie Link actively manage a real portfolio and reveal their money management tactics while giving advanced notice before every trade.

Product Features:
  • $2.5+ million portfolio
  • Large-cap and dividend focus
  • Intraday trade alerts from Cramer
  • Weekly roundups
TheStreet Quant Ratings
Try it NOW
Only $49.95/yr

Access the tool that DOMINATES the Russell 2000 and the S&P 500.

Product Features:
  • Buy, hold, or sell recommendations for over 4,300 stocks
  • Unlimited research reports on your favorite stocks
  • A custom stock screener
  • Upgrade/downgrade alerts
Stocks Under $10
Try it NOW

David Peltier, uncovers low dollar stocks with extraordinary upside potential that are flying under Wall Street's radar.

Product Features:
  • Model portfolio
  • Stocks trading below $10
  • Intraday trade alerts
  • Weekly roundups
Dividend Stock Advisor
Try it NOW

Jim Cramer's protege, David Peltier, identifies the best of breed dividend stocks that will pay a reliable AND significant income stream.

Product Features:
  • Diversified model portfolio of dividend stocks
  • Alerts when market news affect the portfolio
  • Bi-weekly updates with exact steps to take - BUY, HOLD, SELL
Real Money Pro
Try it NOW

All of Real Money, plus 15 more of Wall Street's sharpest minds delivering actionable trading ideas, a comprehensive look at the market, and fundamental and technical analysis.

Product Features:
  • Real Money + Doug Kass Plus 15 more Wall Street Pros
  • Intraday commentary & news
  • Ultra-actionable trading ideas
Options Profits
Try it NOW

Our options trading pros provide daily market commentary and over 100 monthly option trading ideas and strategies to help you become a well-seasoned trader.

Product Features:
  • 100+ monthly options trading ideas
  • Actionable options commentary & news
  • Real-time trading community
  • Options TV
To begin commenting right away, you can log in below using your Disqus, Facebook, Twitter, OpenID or Yahoo login credentials. Alternatively, you can post a comment as a "guest" just by entering an email address. Your use of the commenting tool is subject to multiple terms of service/use and privacy policies - see here for more details.
Submit an article to us!
DOW 16,979.13 +59.54 0.35%
S&P 500 1,986.51 +4.91 0.25%
NASDAQ 4,526.4820 -1.0320 -0.02%

Brokerage Partners

Rates from Bankrate.com

  • Mortgage
  • Credit Cards
  • Auto

Free Newsletters from TheStreet

My Subscriptions:

After the Bell

Before the Bell

Booyah! Newsletter

Midday Bell

TheStreet Top 10 Stories

Winners & Losers

Register for Newsletters
Top Rated Stocks Top Rated Funds Top Rated ETFs