WO200149485-A1  DATABASE WPI Derwent Publications Ltd., London, GB; Class A85, AN 1975-10113W, XP002905288 & NL 7 310 168 A (HITACHI LTD) 22 January 1975;  DATABASE WPI Derwent Publications Ltd., London, GB; Class L03, AN 1996-083946, XP002955392 & JP 7 335 239 A (NGK INSULATORS LTD) 22 December 1995;  DATABASE WPI Derwent Publications Ltd., London, GB; Class M22, AN 1997-347739, XP002905290 & JP 9 143 512 A (ONODA CEMENT CO LTD) 03 June 1997;  DATABASE WPI Derwent Publications Ltd., London, GB; Class V04, AN 1988-172983, XP002905289 & JP 63 112 473 A (TAIYO YUDEN KK) 17 May 1988;  DATABASE WPI Derwent Publications Ltd., London, GB; Class A85, AN 1975-10113W/06 & NL 7 310 168 A (HITACHI LTD) 22 January 1975;  DATABASE WPI Derwent Publications Ltd., London, GB; Class L03, AN 1996-083946/09 & JP 7 335 239 A (NGK INSULATORS LTD) 22 December 1995;  DATABASE WPI Derwent Publications Ltd., London, GB; Class M22, AN 1997-347739/32 & JP 9 143 512 A (ONODA CEMENT CO LTD) 03 June 1997;  DATABASE WPI Derwent Publications Ltd., London, GB; Class V04, AN 1988-172983/25 & JP 63 112 473 A (TAIYO YUDEN KK) 17 May 1988;  See also references of EP 1255641A1;  DATABASE WPI Derwent Publications Ltd., London, GB; Class A85, AN 1975-10113W, XP002905288&NL 7 310 168 A (HITACHI LTD) 22 January 1975;  DATABASE WPI Derwent Publications Ltd., London, GB; Class V04, AN 1988-172983, XP002905289&JP 63 112 473 A (TAIYO YUDEN KK) 17 May 1988;  DATABASE WPI Derwent Publications Ltd., London, GB; Class M22, AN 1997-347739, XP002905290&JP 9 143 512 A (ONODA CEMENT CO LTD) 03 June 1997;  DATABASE WPI Derwent Publications Ltd., London, GB; Class L03, AN 1996-083946, XP002955392&JP 7 335 239 A (NGK INSULATORS LTD) 22 December 1995EP1255641-A1  GREEN D J ET AL: "Residual stresses in alumina-zirconia laminates" JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, ELSEVIER SCIENCE PUBLISHERS, BARKING, ESSEX, GB, vol. 19, no. 13-14, October 1999 (1999-10), pages 2511-2517, XP004183796 ISSN: 0955-2219;  See also references of WO 0149485A1;  See references of WO 0149485A1US7045239-B2  Derwent Abstract Acc. No. 10113W/06, L03, R46, R59, NL 7310-168 (Hitachi Ltd.), Derwent Publications Ltd., London, Jan. 22, 1975.;  Derwent Abstract Acc. No. 88-172983/25, JP 63112473(Taiyo Yuden KK), Derwent Publications Ltd., London, May 1988.;  Derwent Abstract Acc. No. 96-083946/09, JP 07335239 A (NGK Insulators Ltd.), Derwent Publications Ltd., London, Dec. 1995.;  Derwent Abstract Acc. No. 97-347739/32, (M13), JP 09143512 A (Onoda Cement Co Ltd), Derwent Publications, Ltd., London, Jun. 1997.;  Green, David J. et al., Residual Stresses in Alumina-Zirconia Laminates, J. Eur. Ceram. Soc., 1999, vol. 19, No. 13-14, pp. 2511-2517, Elsevier Science Ltd, Barking, Essex, GB.EP1255641-B1  GREEN D J ET AL: "Residual stresses in alumina-zirconia laminates" JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, ELSEVIER SCIENCE PUBLISHERS, BARKING, ESSEX, GB, vol. 19, no. 13-14, October 1999 (1999-10), pages 2511-2517, XP004183796 ISSN: 0955-2219;  DATABASE WPI Derwent Publications Ltd., London, GB; Class A85, AN 1975-10113W, XP002905288&NL 7 310 168 A (HITACHI LTD) 22 January 1975;  DATABASE WPI Derwent Publications Ltd., London, GB; Class V04, AN 1988-172983, XP002905289&JP 63 112 473 A (TAIYO YUDEN KK) 17 May 1988;  DATABASE WPI Derwent Publications Ltd., London, GB; Class M22, AN 1997-347739, XP002905290&JP 9 143 512 A (ONODA CEMENT CO LTD) 03 June 1997;  DATABASE WPI Derwent Publications Ltd., London, GB; Class L03, AN 1996-083946, XP002955392&JP 7 335 239 A (NGK INSULATORS LTD) 22 December 1995