Seiko Epson Corporation

Yoko Miyazawa

Shoichi Ishizawa

Shoichi Uchiyama

Joji Karasawa

Jiro Kato

Satoshi Denda

A piezoelectric element comprising a first electrode, a piezoelectric layer which contains lead, zirconium, and titanium, and which is formed above the first electrode, and a second electrode formed above the piezoelectric layer. A groove which exists between grains in the second electrode side surface of the piezoelectric layer, satisfies 0&#x2266;d/&#x3c1;&#x2266;0.900 (where d: depth of groove, w: width of groove, &#x3c1;: radius of curvature (d+w/4)/2d).

Liquid ejecting head and liquid ejecting apparatus

In a head-mounted image display apparatus ( ) for viewing images on a liquid crystal display means virtually enlarged by an enlarging lens while worn on the head, main apparatus ( ) comprises a front case ( ), which is positioned at the frontal region side when said main apparatus is worn on the head, and a back case ( ), which is positioned at the occipital region. In addition, an air bag ( ), which inflates to cause the frontal region to contact a buffer pad affixed to the inside surface of the front case ( ), is provided on the inside of the back case ( ). The back case ( ) is able to rotate on connecting member to the front case ( ). Adjustment mechanisms for moving the optical system in the pupil distance direction and in the direction of the optical axes is disposed inside main apparatus ( ), and the knobs therefor are centrally disposed on the front of main apparatus ( ).

Growing community of inventors

Shimosuwa-machi, Japan

Yoko Miyazawa