1
Hoi Cheong Steve Sun, Christina Marie Knoedler: Chucks and methods for positioning multiple objects on a substrate. David Sarnoff Research Center, William J Burke, August 4, 1998: US05788814 (109 worldwide citation)

The present invention relates to chucks and methods for positioning multiple objects, optionally for transport onto a recipient substrate. Instead of using conventional clamps that employ mechanical force, the present invention is directed to the use of a non-mechanical force such as negative pressu ...


2
Hoi Cheong Steve Sun, Timothy Allen Pletcher: Method of depositing particles with an electrostatic chuck. Delsys Pharmaceutical, Dechert, December 30, 2003: US06670038 (107 worldwide citation)

The present invention is directed to electrostatic chucks, methods for their use, the electrostatic deposition of objects, such as particles in a dry powder, onto recipient substrates, and the recipient substrates themselves that have been subjected to electrostatic deposition. In one aspect, the pr ...


3
Hoi Cheong Steve Sun, Timothy Allen Pletcher: Electrostatic chucks and a particle deposition apparatus therefor. Sarnoff Corporation, William J Burke, January 12, 1999: US05858099 (43 worldwide citation)

The present invention is directed to electrostatic chucks, methods for their use, the electrostatic deposition of objects, such as particles in a dry powder, onto recipient substrates, and the recipient substrates themselves that have been subjected to electrostatic deposition. In one aspect, the pr ...


4
Hoi Cheong Steve Sun, Timothy Allen Pletcher: Method of making pharmaceutical using electrostatic chuck. Sarnoff Corporation, William J Burke, December 8, 1998: US05846595 (39 worldwide citation)

The present invention is directed to electrostatic chucks, methods for their use, the electrostatic deposition of particles on an objects, and the objects themselves that have been subjected to electrostatic deposition. In one aspect, the present invention provides an electrostatic chuck for electro ...


5
Hoi Cheong Steve Sun, Bogdan Brycki: Method for clamping and electrostatically coating a substrate. Delsys Pharmaceutical Corporation, Dechert, June 4, 2002: US06399143 (38 worldwide citation)

The disclosure relates to an apparatus for electrostatically adhering grains to a planar substrate comprising:


6
Hoi Cheong Steve Sun, Bawa Singh, Howard Christopher Rivenburg, Pabitra Datta, Nitin Vithabhi Desai: Inhaler apparatus with an electronic means for enhanced release of dry powders. Sarnoff Corporation, William J Burke, January 12, 1999: US05857456 (27 worldwide citation)

The present invention is directed, in part, to an inhaler apparatus with a substrate having medicament deposited thereon, the substrate being configured for electronic release of the medicament. In preferred embodiments, the inhaler comprises a conductive layer and a dielectric layer thereon. In pre ...


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Hoi Cheong Steve Sun, Pabitra Datta, William Yat Chung Chiang, Howard Christopher Rivenburg, Bawa Singh, Dominic S Rosati, James Regis Matey: Acoustic dispenser. David Sarnoff Research Center, William J Burke, May 19, 1998: US05753302 (13 worldwide citation)

The present invention provides an acoustic dispenser for propelling objects toward a substrate, together with methods of use of the dispenser. The acoustic dispenser uses a source of acoustic vibration and a membrane for the application of acoustic vibration wherein the objects are propelled from th ...


9
Hoi Cheong Steve Sun, Eugene Samuel Poliniak, Dominic Stephen Rosati, Bawa Singh, Nitin Vithalbhai Desai: AC waveforms biasing for bead manipulating chucks. Delsys Pharmaceutical Corporation, Dechert Price & Rhoads, November 21, 2000: US06149774 (9 worldwide citation)

AC waveforms biasing of bead transporter chucks and their accumulated charge sensing circuits tailored for low resistivity substrates and beads where if traditional DC quasi-static biasing potentials were used, the bead attraction potentials of the chuck would undergo rapid RC decay and cause the be ...


10
Hoi Cheong Steve Sun, Timothy Allen Pletcher: Electrostatic chucks and a particle deposition apparatus therefor. Delsys Pharmaceutical Corporation, Dechert, September 25, 2001: US06294024 (6 worldwide citation)

The present invention is directed to electrostatic chucks, methods for their use, the electrostatic deposition of objects, such as particles in a dry powder, onto recipient substrates, and the recipient substrates themselves that have been subjected to electrostatic deposition. In one aspect, the pr ...