US2016204098A1PendingUtilityA1

Gate dielectric protection for transistors

Assignee: GLOBALFOUNDRIES INCPriority: Jul 1, 2014Filed: Mar 24, 2016Published: Jul 14, 2016
Est. expiryJul 1, 2034(~8 yrs left)· nominal 20-yr term from priority
H10P 74/277H10P 74/27H10D 64/01306H10W 10/17H10W 10/014G01R 31/2621H10D 62/393H10D 84/85H10D 64/661H10D 64/514H10D 64/017H10D 62/151H10D 62/116H10D 30/60H10D 30/027H10D 89/911H10D 89/931H01L 29/78H01L 29/42364H01L 27/0296H01L 27/092H01L 29/66545H01L 22/30
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Claims

Abstract

At least one method, apparatus and system disclosed herein involves forming a device comprising a transistor comprising an active gate and at least one inactive gate in parallel to the active gate. A source region on a substrate is formed. An active gate region is formed on the substrate adjacent the source region. A drain region is formed on the substrate adjacent the active gate region. A first inactive gate region is formed on the substrate in parallel to the active gate region. The source region, the drain region, the active gate region, and the first inactive gate region comprise the transistor. The first inactive gate region is capable of dissipating the at least a portion of a charge.

Claims

exact text as granted — not AI-modified
1 . A method for forming a transistor, comprising:
 forming a source region on a substrate;   forming an active gate region on said substrate adjacent said source region;   forming a drain region on said substrate adjacent said active gate region; and   forming a first inactive gate region on said substrate in parallel to said active gate region, wherein said source region, said drain region, said active gate region, and said first inactive gate region comprise said transistor, and wherein said first inactive gate region is capable of dissipating at least a portion of a charge.   
     
     
         2 . The method of  claim 1 , wherein said first inactive gate region is further capable of at least partially dissipating said charge resulting from a plasma process. 
     
     
         3 .- 8 . (canceled) 
     
     
         9 . The method of  claim 1 , further comprising forming a second inactive gate region on said substrate in parallel to first inactive gate, wherein said second inactive gate is capable of at dissipating said at least a portion of said charge. 
     
     
         10 . (canceled) 
     
     
         11 . An integrated circuit device, comprising:
 a transistor, comprising:
 a source region on a substrate; 
 an active gate region on said substrate adjacent said source region; 
 a drain region on said substrate adjacent said active gate region; and 
 an inactive gate region on said substrate in parallel to said active gate region, wherein said inactive gate region is capable of dissipating at least a portion of a charge. 
   
     
     
         12 . The integrated circuit device of  claim 11 , wherein said charge is at least one of a leaked charge from a plasma process, or a charge from an external electrical field. 
     
     
         13 .- 16 . (canceled) 
     
     
         17 . A system, comprising:
 a semiconductor device processing system to provide a device comprising at least one transistor, wherein said transistor comprises;
 a source region on a substrate; 
 an active gate region on said substrate adjacent said source region; 
 a drain region on said substrate adjacent said active gate region; and 
 an inactive gate region on said substrate in parallel to said active gate region, wherein said inactive gate region is capable of dissipating said at least a portion of a charge; and 
   a processing controller operatively coupled to said semiconductor device processing system, said processing controller configured to control an operation of said semiconductor device processing system.   
     
     
         18 . The system of  claim 17 , further comprising:
 a testing module for testing said transistor, wherein said testing module is capable of providing an indication of a current leakage in said transistor;   an inactive gate unit to determine the number of inactive gate regions to form based upon at least one of said indication of said current leakage, or a predetermine antenna ratio.   
     
     
         19 . The system of  claim 17 , wherein said processing controller is capable of controlling the number of inactive gates that are formed in a subsequent device formed by said semiconductor device processing system based upon at least one of data from said testing module, or data from said inactive gate unit. 
     
     
         20 . The system of  claim 17 , wherein said device is at least one of a CMOS device, a BiCMOS device, a Flash device, a DRAM memory device, and a power device. 
     
     
         21 . The system of  claim 17 , wherein said active gate comprises a plurality of gates stacked vertically and separated by a dielectric layer.

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