公开(公告)号：US09780295B2

公开(公告)日：2017-10-03

申请号：US14759569

申请日：2013-01-28

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Eric Andrew Patterson ,  David Cann ,  Peter Mardilovich

IPC: H01L41/187 ,  C04B35/462 ,  C04B35/475 ,  C04B35/465 ,  C04B35/495 ,  H01L41/09 ,  B41J2/14 ,  C04B35/468

CPC classification number: H01L41/1878 ,  B41J2/14233 ,  B41J2202/03 ,  C04B35/462 ,  C04B35/465 ,  C04B35/4682 ,  C04B35/475 ,  C04B35/495 ,  C04B2235/3201 ,  C04B2235/3206 ,  C04B2235/3234 ,  C04B2235/3251 ,  C04B2235/3275 ,  C04B2235/3298 ,  H01L41/0973 ,  H01L41/1873

Abstract: A lead-free piezoelectric ceramic material has the general chemical formula xBiCoO3-y(Bi0.5Na0.5)TiO3-z(Bi0.5K0.5)TiO3, xBiCoO3-y(Bi0.5Na0.5)TiO3-zNaN-bO3, xBiCoO3-y(Bi0.5Na0.5)TiO3-zKNbO3, xBiCoO3-yBi(Mg0.5Ti0.5)O3-z(Bi0.5Na0.5)TiO3, xBiCoO3-yBa-TiO3-z(Bi0.5Na0.5)TiO3, or xBiCoO3-yNaNbO3-zKNbO3; wherein x+y+z=1, and x, y, z≠0.

公开(公告)号：US20140104344A1

公开(公告)日：2014-04-17

申请号：US14118699

申请日：2011-07-19

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Peter Mardilovich ,  Lawrence H. White ,  Erik D. Torniainen

IPC: B41J2/14

CPC classification number: B41J2/14427 ,  B41J2/1412

Abstract: A heating element of a fluid ejection device, the heating element including a ring-type body, an inner edge of the body, and an outer edge of the body, wherein at least one of the inner edge and the outer edge defines an undulated surface contour.

Abstract translation: 流体喷射装置的加热元件，加热元件包括环型主体，主体的内边缘和主体的外边缘，其中内边缘和外边缘中的至少一个限定波浪表面 轮廓。