%0 Generic %1 Tomikawa1994 %A Tomikawa, T. %A Fujita, N. %A Nakagama, S. %A A.Nakayama, %D 1994 %K imported %N 5316804 %T Process for the synthesis of hard boron nitride %U http://www.freepatentsonline.com/5316804.html %X here can be provided a novel and useful process for the synthesis of hard boron nitride consisting essentially of single phase cubic boron nitride by a gaseous phase synthesis technique, which comprises adding a F atom-containing gas to the gaseous phase or adding a F atom-containing gas and H atom-containing gas to the gaseous phase, whereby the codeposited hexagonal boron nitride can selectively be etched and hard boron nitride of substantially single phase can finally be synthesized.

@patent{Tomikawa1994, abstract = {here can be provided a novel and useful process for the synthesis of hard boron nitride consisting essentially of single phase cubic boron nitride by a gaseous phase synthesis technique, which comprises adding a F atom-containing gas to the gaseous phase or adding a F atom-containing gas and H atom-containing gas to the gaseous phase, whereby the codeposited hexagonal boron nitride can selectively be etched and hard boron nitride of substantially single phase can finally be synthesized.}, added-at = {2009-11-05T12:01:24.000+0100}, author = {Tomikawa, T. and Fujita, N. and Nakagama, S. and A.Nakayama}, bibtexkey = {Tomikawa1994}, biburl = {https://www.bibsonomy.org/bibtex/2a88a043b886fe8644af1e93981fdfdde/ghuot}, file = {Tomikawa1994.pdf:BN\\Brevet\\Tomikawa1994.pdf:PDF}, interhash = {4fcda24220a051d20401a3fab6b82b84}, intrahash = {a88a043b886fe8644af1e93981fdfdde}, keywords = {imported}, number = 5316804, organization = {SUMITOMO ELECTRIC INDUSTRIES (JP)}, owner = {Guillaume}, timestamp = {2009-11-05T12:01:35.000+0100}, title = {Process for the synthesis of hard boron nitride}, type = {United States}, url = {http://www.freepatentsonline.com/5316804.html}, year = 1994 }