<p>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.</p>
申请公布号
EP2734374(A1)
申请公布日期
2014.05.28
申请号
EP20110869559
申请日期
2011.07.19
申请人
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
发明人
MARDILOVICH, PETER;WHITE, LAWRENCE, H.;TORNIAINEN, ERIK, D.
