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Pub. No.:    WO/2011/145453    International Application No.:    PCT/JP2011/060427
Publication Date: 24.11.2011 International Filing Date: 28.04.2011
G11B 21/21 (2006.01), G11B 21/10 (2006.01), H01L 41/09 (2006.01), H01L 41/18 (2006.01), H01L 41/187 (2006.01), H01L 41/193 (2006.01)
Applicants: MURATA MANUFACTURING CO., LTD. [JP/JP]; 10-1, Higashikotari 1-chome, Nagaokakyo-shi, Kyoto 6178555 (JP) (For All Designated States Except US).
NAKAMURA, Kimitoshi [JP/JP]; (JP) (For US Only).
NAKATANI, Hiroshi [JP/JP]; (JP) (For US Only).
NISHIKAWA, Masanaga [JP/JP]; (JP) (For US Only).
KITAGAWA, Sachio [JP/JP]; (JP) (For US Only)
Inventors: NAKAMURA, Kimitoshi; (JP).
NAKATANI, Hiroshi; (JP).
NISHIKAWA, Masanaga; (JP).
KITAGAWA, Sachio; (JP)
Agent: MIYAZAKI & METSUGI; Chuo Odori FN Bldg., 3-8, Tokiwamachi 1-chome, Chuo-ku, Osaka-shi, Osaka 5400028 (JP)
Priority Data:
2010-113319 17.05.2010 JP
(JA) 圧電アクチュエータ及び駆動装置
Abstract: front page image
(EN)Disclosed is a piezoelectric actuator for which discrimination of orientation is easy, and which is capable of easily measuring electrical properties. The piezoelectric actuator (20) is provided with a piezoelectric substrate (21), first and second electrodes (22 and 23), and a conductive film (24). The first and the second electrodes (22 and 23) apply voltage to the piezoelectric substrate (21). The conductive film (24) is formed upon the first electrode (22). The conductive film (24) comprises a metal or alloy of different color tone than the second electrode (23).
(FR)L'invention porte sur un actionneur piézo-électrique pour lequel la discrimination de l'orientation est facile et qui est capable de mesurer facilement des propriétés électriques. L'actionneur piézo-électrique (20) comporte un substrat piézo-électrique (21), des première et seconde électrodes (22 et 23) et un film conducteur (24). Les première et seconde électrodes (22 et 23) appliquent une tension au substrat piézo-électrique (21). Le film conducteur (24) est formé sur la première électrode (22). Le film conducteur (24) comprend un métal ou un alliage d'un ton de couleur différent de celui de la seconde électrode (23).
(JA) 向きの判別が容易であり、かつ、電気的特性を容易に測定し得る圧電アクチュエータを提供する。 圧電アクチュエータ20は、圧電基板21と、第1及び第2の電極22,23と、導電膜24とを備えている。第1及び第2の電極22,23は、圧電基板21に電圧を印加する。導電膜24は、第1の電極22の上に形成されている。導電膜24は、第2の電極23とは色調が異なる金属または合金からなる。
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)