UV absorption control of thin film growth

Coating processes – Measuring – testing – or indicating

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

427 10, 427 541, 118708, 118712, 118 501, 118620, B05D 0000, B05D 306, B05C 1100, B05C 1102

Patent

active

050324357

ABSTRACT:
A system for monitoring and controlling the rate of growth of thin films in an atmosphere of reactant gases measures the UV absorbance of the atmosphere and calculates the partial pressure of the gases. The flow of reactant gases is controlled in response to the partial pressure.

REFERENCES:
patent: 3654109 (1972-04-01), Hohl et al.
patent: 4292341 (1981-09-01), Marcuse et al.
patent: 4311725 (1982-01-01), Holland
patent: 4332833 (1982-06-01), Aspnes et al.
patent: 4711790 (1987-12-01), Morishige
J. Butler et al., "In Situ, Real-Time Diagnostics of OMVPE Using IR-Diode Laser Spectroscopy", Journal of Crystal Growth, vol. 77, 1986, pp. 163-171.
R. Sillmon et al., "An Ultra-Fast Gas Delivery System For Producing Abrupt Compositional Switching In OMVPE", Journal of Crystal Growth, vol. 77, 1986, pp. 73-78.
V. Donnelly et al., "Development of Laser Diagnostic Probes For Chemical Vapor Deposition of InP/InGaAsP Epitaxial Layers", Journal of Applied Physics, vol. 53, No. 9, Sep. 1982, pp. 6399-6407.
J. Haigh, "The Vapour-Phase Ultraviolet Spectra Of Metallo-Organic Precursors to III-V Compounds", Journal of Materials Science, vol. 18, 1983, pp. 1072-1076.
R. Karlicek et al., "UV Absorption Spectroscopy For Monitoring Hydride Vapor-Phase Epitaxy of InGaAsP Alloys", Journal of Applied Physics, vol. 60, No. 2, Jul. 15, 1986, pp. 794-799.
V. McCrary et al., "The Ultraviolet Absorption Spectra of Selected Organometallic Compounds Used in the Chemical Vapor Deposition of Gallium Arsenide", Journal Crystal Growth, vol. 84, 1987, pp. 253-258.
J. Connor et al., "Flash Photolysis of Trimethylantimony and Trimethylbismuth and the Quenching of Excited Antimony and Bismuth Atoms" Jour. American Chem. Society, vol. 93, No. 4, 2/24/71, pp. 822-828.
R. Karlicek et al., "Thermal Decomposition of Metalorganic Compounds Used In the MOCVD of InP", Journal of Crystal Growth, vol. 68, 1984, pp. 123-127.
V. Donnelly et al., "Excimer Laser Induced Deposition of InP and Indium-Oxide Films", Applied Physics Letters, vol. 44, No. 10, May 15, 1984, pp. 951-953.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

UV absorption control of thin film growth does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with UV absorption control of thin film growth, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and UV absorption control of thin film growth will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-130539

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.