6A002.

     a.2.  Image intensifier tubes and specially designed components therefor, as follows:


          a.2.a.  Image intensifier tubes having all of the following:

               a.2.a.1.  A peak response in the wavelength range exceeding 400 nm but 
                         not exceeding 1,050 nm;

               a.2.a.2.  A microchannel plate for electron image amplification with a hole pitch 
                         (center-to-center spacing) of 12  m or less; and

               a.2.a.3.  Any of the following photocathodes:

                    a.2.a.3.a.  S-20, S-25 or multialkali photocathodes with a luminous
                                sensitivity exceeding 350  A/lm;

                    a.2.a.3.b. GaAs or GaInAs photocathodes; or

                    a.2.a.3.c.  Other III-V compound
                                semiconductor photocathodes;

 

                    Note: 6A002.a.2.a.3.c does not apply to compound semiconductor photocathodes with a 
                          maximum radiant sensitivity of 10 mA/W or less.

 

          a.2.b.  Specially designed components, as follows:

               a.2.b.1.  Microchannel plates having a hole pitch 
                        (center-to-center spacing) of 12  m or less; 

               a.2.b.2. GaAs or GaInAs photocathodes;

               a.2.b.3. Other III-V compound semiconductor photocathodes;
                        Note: 6A002.a.2.b.3 does not control compound semiconductor photocathodes 
                        with a maximum radiant sensitivity of 10 mA/W or less.