Ex parte HAWKINS et al. - Page 4




                 Appeal No. 96-3998                                                                                                                     
                 Application No. 08/344,397                                                                                                             


                          d)       a single polysilicon layer having a predetermined                                                                    
                 thickness and resistivity present on said insulative layer,                                                                            
                 said single polysilicon layer including a polysilicon field                                                                            
                 plate portion subtended by said first portion of said                                                                                  
                 insulative layer, serving as a field plate, and a gate portion                                                                         
                 subtended by said second portion of said insulative layer,                                                                             
                 serving as a gate, whereby said polysilicon field plate                                                                                
                 portion provides for increased transconductance of said                                                                                
                 transistor without reducing breakdown voltage to minimize the                                                                          
                 spacing between said source region and said drain region;                                                                              
                          e) a drain contact contacting said contact region; and                                                                        
                          f) a              source contact contacting said source region,                                                               
                 said source contact spaced from said drain contact, extending                                                                          
                 laterally towards said drain contact no further than said                                                                              
                 polysilicon field plate portion;                                                                                                       
                          a plurality of heater elements, each of said heater                                                                           
                 elements connected to one of said plurality of MOS                                                                                     
                 transistors; and                                                                                                                       
                          a plurality of orifices for expelling ink droplets, each                                                                      
                 of said orifices operatively associated with one of said                                                                               
                 plurality of heater elements.                                                                                                          
                          The Examiner relies on the following references :                                   2                                         
                 Yoshida et al. (Yoshida)                              4,599,576                                    Jul. 08,                            
                 1986                                                                                                                                   
                 Fujihara                                                      5,089,871                                    Feb.                       
                 18, 1992                                                                                                                               






                          2The Examiner additionally relies on Appellants’                                                                              
                 admissions of the prior art.                                                                                                           
                                                                           4                                                                            





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