Maryland's Defense Patent Database

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High aspect ratio microelectrode arrays

Patent image
NRL

A method of electroplating a metal into a plurality of channels within an insulating material includes mounting the material to a cathode; placing the cathode into an electroplating solution containing the metal; placing an anode into the electroplating solution; connecting the cathode and the anode to a power supply; controlling operation of the power supply to provide a beginning current density during deposition at the insulating material and initiating electroplating of the metal within the plurality of channels starting at one face of the insulating material; and controlling operation of the power supply to provide a final current density during deposition at the insulating material and ending electroplating of the metal within the plurality of channels at the other face of the insulating material. The final current density is larger than the beginning current density, and the beginning current density is maintained at a level for a sufficient time to substantially prevent bubble formation during the electroplating.

Inventors: 
Merritt, Charles; Justus, Brian
Patent Number: 
Technical domain: 
Materials and Coatings
FIle Date: 
2003-05-28
Grant Date: 
2008-12-16
Grant time: 
2,029 days
Grant time percentile rank: 
37
Claim count percentile rank: 
3
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
US NAVY