Abrading – Abrading process
Reexamination Certificate
2007-01-16
2007-01-16
Warden, Jill (Department: 1743)
Abrading
Abrading process
C451S910000, C451S165000, C083S027000, C083S956000, C422S105000
Reexamination Certificate
active
10390118
ABSTRACT:
The micro titer plates, especially for micro reaction systems used in biotechnology, each have an array of special microstructures, which typically include micro cups and micro channels with different cross-sections. These microstructures are introduced into a preferably borosilicate glass wafer (18) by ultrasonic machining. Individual rectangular micro titer plates (19′) made from borosilicate glass for biotechnology are produced by cutting the structured glass wafer into individual micro titer plates. Particularly arrays of from 10 to 100 of these microstructures are formed in a 6-inch borosilicate glass wafer, in order to facilitate subsequent cutting of the wafer to economically manufacture a corresponding number of these micro titer plates (19′).
REFERENCES:
patent: 197 36 630 (1999-03-01), None
patent: 197 40 806 (1999-04-01), None
Brochure From the Radlegs Company, Essex, United Kingdom, 1997: Specialist Micro Titer Plates & Accessories.
Article “Laeppen” (Lapping), APA, (With Certified English Translation).
Jacquorie Michael
Vos Markus
Levkovich Natalia
Schott AG
Striker Michael J.
Warden Jill
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