Dry powder deposition apparatus

US6063194A · kind A · utility

Assignee

• Delsys Pharmaceutical Company · US

Inventors

• Eugene S. Poliniak · Willingboro, US
• Hoi-Cheong Steve Sun · Tampa, US
• Nitin V. Desai · Hightstown, US
• Nalin Kumar · Austin, US
• William R. Roach · Rocky Hill, US
• Lawrence Harrison Hammer · Plainsboro, US
• Peter D. Southgate · Princeton, US
• Bawa Singh · Cherry Hill, US
• Howard Christopher Rivenburg · Princeton, US
• Peter John Zanzucchi · Lawrenceville, US
• David Keller · Bradenton, US
• Dominic Stephen Rosati · Hillsborough Township, US
• Aaron William Levine · Lawrenceville, US
• Bogdan Brycki · Maple Shade, US

Key dates

• Filing date: Jun 10, 1998
• Grant date: May 16, 2000
• Expiry date: Jun 10, 2018

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B05B5/08
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Provided is, among other things, a dry deposition apparatus for depositing grains on a substrate comprising: PA1 an electrostatic chuck having one or more collection zones, wherein the substrate is layered on the chuck for processing; PA1 a charged grain delivery apparatus for directing charged grains for electrostatic deposition on the substrate at the locations of the collection zones; and PA1 an optical detection device for quantifying the amount of grains deposited.