Sensors

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2007-09-25

2007-09-25

Cameron, Erma (Department: 1762)

Coating processes

Medical or dental purpose product; parts; subcombinations;...

Analysis, diagnosis, measuring, or testing product

Reexamination Certificate

active

11018979

ABSTRACT:
A method for forming a sensor is provided, together with a sensor formed according to the method. Photoresist material is deposited on a surface of the sensor, and is then patterned and etched to form an array of microlens structures. The structures are spaced close together in a predetermined pattern so that when a reflow process is performed, the structures melt and coalesce to form a barrier. The barrier defines a region for constraining or channeling the flow of reagent and analyte samples used in bio-optical sensors.

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Hanazato et al., Integrated Multi-Biosensors Based on an Ion-Sensitive Field-Effect Transistor using Photolithographic Techniques, IEEE Transactions on Electron Devices, IEEE Inc., New York, US, vol. 36, No. 7, Jul. 1, 1989, pp. 1303-1310.
Popovic et al., Technique for Monolithic Fabrication of Microlens Arrays, Applied Optics, Optical Society of America, Washington, US, vol. 27, No. 7, Apr. 1, 1988, pp. 1281-1284.

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