1
Ross R Allen, Si Ty Lam, Paul H McClelland, Eric G Hanson: Wide inkjet printhead. Hewlett Packard Company, November 21, 1995: US05469199 (134 worldwide citation)

A novel, wide inkjet printhead and method of forming said inkjet printhead is disclosed, wherein a pattern of orifices are formed, using a step-and-repeat process, in a flexible tape using laser ablation or other suitable etching devices. The location of the orifices corresponds to where ink will be ...


2
Christopher A Schantz, Eric G Hanson, Si Ty Lam, Paul H McClelland, William J Lloyd, Laurie S Mittelstadt, Alfred I Tsong Pan: Laser ablated nozzle member for inkjet printhead. Hewlett Packard Company, April 19, 1994: US05305015 (84 worldwide citation)

In one of the preferred embodiments, an inkjet printhead includes a nozzle member formed of a polymer material that has been laser-ablated to form tapered inkjet orifices. The nozzle member is then mounted to a substrate containing heating elements, each heating element being associated with a singl ...


3
Si Ty Lam, William J Lloyd: Integral ink jet print head. Hewlett Packard Company, May 14, 1991: US05016024 (61 worldwide citation)

Disclosed is an integral ink jet print head having an improved design. An ink reservoir wall at the base of print head guides a flow of ink from a remote reservoir. Ink is drawn by capillary action past flow restrictors and an ink channel into an ink heating zone. The ink heating zone is a chamber r ...


4
Christopher A Schantz, Eric G Hanson, Si Ty Lam, Paul H McClelland, William J Lloyd, Laurie S Mittelstadt, Alfred I Pan: Nozzle member including ink flow channels. Hewlett Packard Company, March 1, 1994: US05291226 (53 worldwide citation)

In one of the preferred embodiments, an inkjet printhead includes a nozzle member formed of a polymer material that has been laser-ablated to form inkjet orifices, ink channels, and vaporization chambers in the unitary nozzle member. The nozzle member is then mounted to a substrate containing heatin ...


5
Wilhelm Tamm, Walter Olbrich, Siegfrid Dippon, Michael Weitmann, Si Ty Lam: Method of manufacturing printed circuit boards. Hewlett Packard Company, September 16, 1997: US05666722 (46 worldwide citation)

A printed circuit board is made by producing recesses and/or holes in an electric insulating substrate by laser ablation. The recesses correspond to a desired pattern of conductor structures and/or holes. Conductive material is then deposited on substantially an entire face of the substrate. Conduct ...


6
Joachim Schulte in den Baumen, Robert Grub, Herbert Gross, Jurgen Schweizer, Hans Jurgen Kahlert, Siegfrid Dippon, Wilhelm Tamm, Si Ty Lam, Heinrich Endert: Apparatus for laser machining with a plurality of beams. Carl Zeiss Stiftung, Hewlett Packard Company, Lambda Physik, Walter Ottesen, October 14, 1997: US05676866 (38 worldwide citation)

An apparatus for laser machining by creating a plurality of discrete and separate beams which are sent to a deflecting device including a support and a plurality of individual elements that act independently and are individually controlled to machine different points on the workpiece simultaneously.


7
Si Ty Lam, Glenn W Weberg: Thin film mandrel. Hewlett Packard Company, William J Bethurum, September 27, 1988: US04773971 (34 worldwide citation)

A reusable mandrel and method of making a reusable mandrel is presented. This mandrel has a substrate with a conductive film layer. Upon the conductive film layer, a dielectric mold resides. An etched thin film mandrel is also presented. This mandrel has a substrate covered with a conductive film la ...


8
Si Ty Lam, Howard H Taub: Process for manufacturing thermal ink jet printheads having metal substrates and printheads manufactured thereby. Hewlett Packard Company, March 16, 1993: US05194877 (33 worldwide citation)

A method of manufacturing a thermal ink jet printhead wherein a reusable mandrel consisting of either a metal pattern on an insulating or semiconductive substrate or an insulating pattern on a metal substrate or metal layer is used in the process of electroforming a plurality of metal substrates use ...


9
Si Ty Lam, An Chung R Lin, Young Soo You: Ink dot size control for ink transfer printing. Hewlett Packard Company, C Douglass Thomas, January 10, 1995: US05381166 (31 worldwide citation)

An ink transfer printing device having improved ink dot size control. The ink transfer printing device includes an ink container for retaining ink and a perforated ink transfer surface coupled to the ink container. The ink transfer surface includes at least one concentric region on the ink transfer ...


10
Christopher A Schantz, Eric G Hanson, Si Ty Lam, Paul H McClelland, William J Lloyd, Laurie S Mittelstadt, Alfred I Pan: Method of making a nozzle member including ink flow channels. Hewlett Packard Company, April 25, 1995: US05408738 (30 worldwide citation)

In one of the preferred embodiments, an inkjet printhead includes a nozzle member formed of a polymer material that has been laser-ablated to form inkjet orifices, ink channels, and vaporization chambers in the unitary nozzle member. The nozzle member is then mounted to a substrate containing heatin ...