Spacers for a flat panel display and method

Details Spacers for a flat panel display and method Spacers for a flat panel display and method

1996-08-02

1998-02-10

Patel, Nimeshkumar

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

313496, 445 24, H01J 3100

Patent

active

057172870

ABSTRACT:
A method for affixing a plurality of spacers (150, 250) within a field emission display (100, 200) is disclosed. The method includes the steps of: (i) forming a metallic bonding pad (160, 260) on the inner surface of the anode (110) or cathode (230) (ii) placing an edge of the spacers (150, 250) in intimate physical contact with a portion of the metallic bonding pad (160, 260) thereby providing contacting surfaces (iii) applying a potential difference of about 1000 Volts across the contacting surfaces so that the metallic bonding pad (160, 260) is biased positively with respect to the spacers (150, 250), and (iv) simultaneously heating the region about, and including, the bonding surfaces to a temperature of about 400 degrees Celsius for about 15 minutes so that an anodic bond is formed between the contacting surfaces.

REFERENCES:
patent: 5232549 (1993-08-01), Cathey et al.
patent: 5634585 (1997-06-01), Stansbury

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