Inventor
DONALDSON JEREMY
US9 patents
Patents
9 patentsUS6672712B1Jan 6, 2004
Slotted substrates and methods and systems for forming same
HEWLETT PACKARD DEVELOPMENT CO42 citations95
US7238293B2Jul 3, 2007
Slotted substrate and method of making
HEWLETT PACKARD DEVELOPMENT CO16 citations92
US7040735B2May 9, 2006
Slotted substrates and methods and systems for forming same
HEWLETT PACKARD DEVELOPMENT CO12 citations92
US6648454B1Nov 18, 2003
Slotted substrate and method of making
HEWLETT PACKARD DEVELOPMENT CO41 citations92
US6764605B2Jul 20, 2004
Particle tolerant architecture for feed holes and method of manufacturing
HEWLETT PACKARD DEVELOPMENT CO19 citations91
US7325309B2Feb 5, 2008
Method of manufacturing a fluid ejection device with a dry-film photo-resist layer
HEWLETT PACKARD DEVELOPMENT CO11 citations80
US7198726B2Apr 3, 2007
Slotted substrates and methods and systems for forming same
HEWLETT PACKARD DEVELOPMENT CO8 citations73
US7695104B2Apr 13, 2010
Slotted substrates and methods and systems for forming same
HEWLETT PACKARD DEVELOPMENT CO3 citations62
US7979987B2Jul 19, 2011
Method of manufacturing fluid ejection device with dry-film photo-resist layer
HEWLETT PACKARD DEVELOPMENT CO4 citations59