ESD dissipative ceramics

Compositions: ceramic – Ceramic compositions – Refractory

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C501S126000, C501S152000, C264S663000, C264S664000, C264S604000

Reexamination Certificate

active

07094718

ABSTRACT:
This invention relates to a dense ceramics having ESD dissipative characteristics, tunable volume and surface resistivities in semi-insulative range (103-1011Ohm-cm), substantially pore free, high flexural strength, light colors, for desired ESD dissipation characteristics, structural reliability, high vision recognition, low wear and particulate contamination to be used as ESD dissipating tools, fixtures, load bearing elements, work surfaces, containers in manufacturing and assembling electrostatically sensitive microelectronic, electromagnetic, electro-optic components, devices and systems.

REFERENCES:
patent: 2528121 (1950-10-01), Dickinson
patent: 3410728 (1968-11-01), Fullman et al.
patent: 3502597 (1970-03-01), Bush
patent: 4035191 (1977-07-01), Johns
patent: 4110260 (1978-08-01), Yamamoto et al.
patent: 4316964 (1982-02-01), Lange
patent: 4659680 (1987-04-01), Guile
patent: 4820666 (1989-04-01), Hirano et al.
patent: 4850666 (1989-04-01), Izutsu et al.
patent: 4931214 (1990-06-01), Worrell et al.
patent: 5068072 (1991-11-01), Horinouchi et al.
patent: 5175132 (1992-12-01), Ketcham et al.
patent: 5556816 (1996-09-01), Kim et al.
patent: 5612144 (1997-03-01), Shinohara et al.
patent: 5800934 (1998-09-01), Quadri et al.
patent: 5830819 (1998-11-01), Shikata et al.
patent: 5958813 (1999-09-01), Aida et al.
patent: 6039221 (2000-03-01), Chatterjee et al.
patent: 6069103 (2000-05-01), Kwon et al.
patent: 6136232 (2000-10-01), Burlingame
patent: 6232004 (2001-05-01), Lasater
patent: 6258233 (2001-07-01), Sugiyama et al.
patent: 6274524 (2001-08-01), Mikaki et al.
patent: 6354479 (2002-03-01), Reiber et al.
patent: 6379529 (2002-04-01), Wahl et al.
patent: 6669871 (2003-12-01), Kwon et al.
patent: 2001/0039237 (2001-11-01), Niwa et al.
patent: 2003/0199228 (2003-10-01), Kennedy et al.
patent: 2004/0235639 (2004-11-01), Simpson
patent: 3743630 (1989-03-01), None
patent: 53-47514 (1978-12-01), None
patent: 60-186466 (1985-09-01), None
patent: 62-025404 (1994-08-01), None
patent: 07-277825 (1995-10-01), None
patent: 8-039441 (1996-02-01), None
patent: 52-15360 (1997-04-01), None
patent: 10-296646 (1998-11-01), None
patent: 10/297968 (1998-11-01), None
patent: 3-5363 (1999-01-01), None
patent: 11-135544 (1999-05-01), None
patent: 2001-214937 (2001-08-01), None
patent: 2001-294483 (2001-10-01), None
patent: WO 98/49121 (1998-11-01), None
A.J. Wallash, “Electrostatic Discharge (ESD) in Magnetic Recording: Past, Present and Future,” Proc. of Understanding ESD in Magnetic Recording, IDEMA, pp. 3-20, 2000.
A.J. Wallash, et al., “ESD Failure Mechanisms of Inductive and Magnitoresistive Recording Heads, ” EOD/ESD Symposium 95, pp. 322-330 (1995).
J. Elston, et al., “Study of High-temperature Electrical Properties of Zirconia and Lanthanum Chromite Sinsters,” Proceedings of a Symposium on Magnetohydrohdynamic Electrical Power Generation, p. 1061, 389-403, 1966.
C. Lam, “Characterization of ESD Tweezers for Use with Magnetoresistive Recording Heads,” EOS/ESD Symposium—1996, pp. 14-21 (1996).
K.J. Kim, et al., “Advancements in Inherently Dissipative Polymer (IDP) Alloys Provide New Levels of Clean, Consistent ESD Protection,” EOS/ESD Symposium 2000, pp. 132-138, 2000.
R.V. Wilhelm, D.S. Howarth, 'Iron Oxide-doped Yttria-Stabilized zirconia Ceramic: Iron Solubility and Electrical Conductivity, Am. Ceram. Soc. Bull., 58 (2) 228-32 (1979).
N.A. Pratten, Review, The Precise Measurement of the Density of Small Samples,: J. Mater. Sci., 16, 1737-47 (1981).
ASTM: D257-93, Standard Test Methods for DC Resistance or Conductance of Insulating Materials:. pp. 108-124.
FED. Test Method Std. No. 101, “Electrostatic Properties of Materials, ” Rev. B, Method 4046, Jan. 1969; Rev. C, Method 4046.1, Oct. 1982, Change Notice 1.
N. Jonassen, “Static-Electric Characterization of Semi-insulating Materials,” EOS/ESD Symposium EOS-6, pp. 45-49, 1984.
G. Baumgartner, “Electrostatic Decay Measurement, Theory and Applications,” EOS/ESD Symposium 95, pp. 262-272, 1995.
C.F.Lam, et al., “Decay-Time Characterization of ESD Materials for Use with Magnetoresistive Recording Heads,” EOS/ESD Symposium 97, pp. 373-381, 1997.
M.J. DeBarr, et al., “Conduction Mechanism in the La(AI,Mn)3System,” Point Defects and Related Properties of Ceramics, ED. T.O. Mason, et al., Ceramic Trans., vol. 24, am. Ceram. Soc., pp. 229-238, 1991.
M.S. Islam, et al., “Defect Chemistry of LaBO3(B= La, Mn or Co) Perovskite-type Oxides,” J. Chem. Soc., Faraday trans. 92930 479-482 (1996).

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

ESD dissipative ceramics does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with ESD dissipative ceramics, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and ESD dissipative ceramics will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3647370

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