| US 7,517,063 B2 | ||
| Piezoelectric element | ||
| Toshihiro Ifuku, Kanagawa (Japan); Kenichi Takeda, Kanagawa (Japan); Tetsuro Fukui, Kanagawa (Japan); Katsumi Aoki, Kanagawa (Japan); Takanori Matsuda, Kanagawa (Japan); and Masaru Shimizu, 1-7-506, Higashi Tsujii 4-chome, Himeji-shi, Hyogo-ken (Japan) | ||
| Assigned to Canon Kabushiki Kaisha, Tokyo (Japan); and Masaru Shimizu, Himeji-shi (Japan) | ||
| Filed on Jul. 24, 2006, as Appl. No. 11/491,027. | ||
| Application 11/491027 is a division of application No. 10/532020, granted, now 7,144,101, previously published as PCT/JP2004/000964, filed on Jan. 30, 2004. | ||
| Claims priority of application No. 2003-024452 (JP), filed on Jan. 31, 2003. | ||
| Prior Publication US 2006/0256167 A1, Nov. 16, 2006 | ||
| Int. Cl. B41J 2/045 (2006.01) | ||
| U.S. Cl. 347—68 | 8 Claims |
| 1. A piezoelectric member element including an upper electrode, a piezoelectric member constituted by a piezoelectric and/or
electrostrictive material and a lower electrode,
wherein said piezoelectric member is a complex oxide constituted by the general formula ABO3 and is formed on said lower electrode as a thin film having a thickness of 1 to 10 μm, and wherein said piezoelectric member
has a twin crystal.
|