Ex Parte IGARASHI - Page 5




          Appeal No. 2001-2530                                       Page 5           
          Application No. 09/115,250                                                  


          Techs. v. Titan Wheel Int’l, Inc., 212 F.3d 1377, 1383, 54 USPQ2d           
          1841, 1845 (Fed. Cir. 2000).                                                
               Here, appealed claim 16, by virtue of using “comprising,”              
          does not exclude an interpoly dielectric and control gate as part           
          of the claimed device.  Nor is there any limiting definition in             
          the specification for the claimed MOS transistor which would                
          exclude the interpoly dielectric and control gate structure of              
          Saida.                                                                      
               While we agree with appellant that claim 16 should be read             
          in light of the specification in giving that claim its broadest             
          reasonable interpretation, we do not agree that limitations with            
          respect to problems being addressed, such as impurity diffusion,            
          during manufacturing steps and purportedly solved as disclosed in           
          the specification must be imported into the claims.  As indicated           
          above, the “MOS transistor” language of representative appealed             
          claim 16 does not require a transistor that is limited to “a                
          basic field effect transistor comprising a single gate electrode            
          . . .” as argued by appellant (brief, page 6).  Nor does it                 
          exclude the EEPROM disclosed by Saida.                                      
               Additionally, appellant’s reference to another patent (U.S.            
          Patent No. 4,868,619) at page 6 of the brief is noted.  However,            
          appellant has not fairly explained how U.S. Patent No. 4,868,619            







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