I have not received my notice yet. cc > On Jun 8, 2008, at 2:42 AM, Apptech wrote: > > Hands up if you have never heard of Gertrude Neumark > Rothschild? > You'd have company. > She's a retired Columbia University Professor with some > fundamental and apparently watertight patents in LED > technology. > > She is suing, to name a partial list Avago, Bacol, Cree, > Hitachi, Kingbright, LG Lite-On, Matsushita, Motorola, > Nokia, Pioneer, Rohm , Samsung, Sanyo, Seoul Semiconductor, > Sharp, Sony, Sony Ericsson, Toshiba, Vishay ... over her > basic patents relating to the development on blue and UV > LEDs. She seeks to bar entry to the US of products which > violate her patent rights. > > While on some lists people were until recently proclaiming > how little luck she would have with people with such > extensive litigation ability, she has previously settled > (since 2002) with Osram, Nichia & Toyoda Gosei and this year > settled with some, including Lumileds, & Everlight Taiwan + > Seoul Semiconductor (just recently). > > "Rothschild began her research career in private > industry, working with Sylvania Research Laboratories in > Bayside, NY in the 1950s and later at Philips Laboratories > in Briarcliff Manor, NY before joining Columbia as a > professor of materials science in 1985. She conducted > research in the 1980s and =9290s into the electrical and > optical properties of wide-bandgap semiconductors that is > claimed to have been pivotal in the development of > short-wavelength emitting (blue, green, violet and > ultraviolet) diodes now used in consumer electronics." > > "The complaint (=91In the matter of Short-Wave Light > Emitting Diodes=92) alleged infringement by 34 firms of her > 1993 US patent 5,252,499 =91Wide band-gap semiconductors > having low bipolar resistivity and method of formation=92 > (covering a method of producing gallium nitride-based > semiconductors for LEDs and laser diodes emitting in the > blue, green, violet and ultraviolet end of the spectrum)." > > ______________________ > > Her patent > > http://patft.uspto.gov/netacgi/nph-Parser? = > Sect1=3DPTO1&Sect2=3DHITOFF&d=3DPALL&p=3D1&u=3D%2Fnetahtml%2FPTO% = > 2Fsrchnum.htm&r=3D1&f=3DG&l=3D50&s1=3D5252499.PN.&OS=3DPN/5252499&RS=3DPN= /5252499 > > A wide band-gap semiconductor, such as a II-VI > semiconductor having low bipolar resistivity and a method > for producing such a semiconductor. To form this > semiconductor, atomic hydrogen is used to neutralize > compensating contaminants. Alternatively, the semiconductor > dopant and hydrogen are introduced into the undoped > semiconductor together, and later, the hydrogen is removed > leaving an acceptably compensation free wide band-gap > semiconductor. > Inventors: Rothschild; G. F. Neumark (Hartsdale, NY) > Appl. No.: 07/232,405 > Filed: August 15, 1988 > > > ______________________ > > The heart of the invention is sure to be so obvious > retrospectively to thos 'skilled in the art' that they must > now hate themselves forever. > > " Generally speaking, in accordance with the invention, > a semiconductor is provided which has low bipolar > resistivity as well as a wide band-gap and a method for > producing such a semiconductor is also provided. The p-n > junction formed from the semiconductor has suitably low > compensation on both the p and the n side. To form this > semiconductor, atomic hydrogen is used to neutralize > compensating contaminants. By introducing hydrogen to the > semiconductor after it is doped, the compensating impurities > will be neutralized. In an alternative embodiment, the > dopant and hydrogen are introduced into the substrate > together and later, the hydrogen is removed." > > ______________________ > > http://gizmodo.com/370550/old-lady-sues-tech-giants-for-patents- = > bakes-cakes-with-lasers > > http://www.engadget.com/2008/03/21/little-old-lady-to-take-down- = > sony-samsung-nokia-and-everyone-e/ > > http://gizmodo.com/tag/gertrude-neumark-rothschild/ > > > Now if only I could think of .... > > > R > > -- = > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > > -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist