Title:
圧電デバイスおよびそれの製造方法
Document Type and Number:
Japanese Patent JP6473896
Kind Code:
B2
Abstract:
A piezoelectric device is equipped with a laminate film composed of: a first oriented film layer and a second oriented film layer; a first weakly oriented polylactic acid layer which is bound to the first oriented film layer and is composed of a first resin; and a conductive layer which is bound to the second oriented film layer with the first weakly oriented polylactic acid layer interposed therebetween. The first oriented film layer is composed of a resin containing, as the main component, a first polylactic acid component that is L-polylactic acid or D-polylactic acid. The second oriented film layer is composed of a resin containing, as the main component, a second polylactic acid component that is L-polylactic acid or D-polylactic acid. When the first polylactic acid component is L-polylactic acid, the second polylactic acid component is D-polylactic acid. When the first polylactic acid component is D-polylactic acid, the second polylactic acid component is L-polylactic acid. The first oriented film layer and the second oriented film layer are laminated alternately with the conductive layer interposed therebetween. The first weakly oriented polylactic acid layer is composed of a resin that is the same as that used in the first oriented film layer, and is decreased in the degree of orientation of a molecular chain of the first polylactic acid component compared with that in the first oriented film layer. The piezoelectric device has improved productivity.
Inventors:
Yukazu Daichi
Yukihiro Shimazaki
Yukihiro Shimazaki
Application Number:
JP2016517802A
Publication Date:
February 27, 2019
Filing Date:
April 13, 2015
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
B32B7/02; H01L41/193; H01L41/047; H01L41/083; H01L41/113; H01L41/27; H01L41/293; H01L41/297; H01L41/45; H02N2/00; H02N2/18; H02N11/00
Domestic Patent References:
| JP2012232497A | ||||
| JP2014027055A | ||||
| JP2012521902A | ||||
| JP2013199059A | ||||
| JP4213881A | ||||
| JP5473905B2 | ||||
| JP2011243606A | ||||
| JP5152638A | ||||
| JP2005213376A |
Attorney, Agent or Firm:
Kenji Kamada
Hiroo Maeda
Hiroo Maeda