NAME

       phvia - mbk physical contact

DESCRIPTION

       The  phvia  structure  is used to describe a via or contact belonging to a symbolic layout
       model, see phfig(3) for details.

       The  declarations  needed  to  work  on  phvia  are   available   in   the   header   file
       "/labo/include/mph402.h", where '402' is the actual mbk version.

       The following C structure supports the description of the via :
              typedef struct phvia {
                 struct phvia     ∗NEXT;
                 char             TYPE;
                 long             XVIA,YVIA;
                 struct ptype     ∗USER;
              } phvia_list;

       NEXT                Pointer to the next phvia in the list.

       XVIA, YVIA          Coordinates  of  the  center  of  the  via.  Vias  are macro generated
                           patterns, so only their center is a matter of concern.

       TYPE                Via type. The legal types for via are

                           CONT_POLY           poly alu1  contact

                           CONT_VIA            alu2 alu1  contact

                           CONT_DIF_N          alu1 difn  contact

                           CONT_DIF_P          alu1 difp  contact

                           CONT_BODY_N         alu1 nwell contact

                           CONT_BODY_P         alu1 pwell contact

                           CONT_VIA2           alu2 alu3  contact

                           C_X_N               L shaped N transistor corner filling

                           C_X_P               L shaped P transistor corner filling

       USER                Pointer to a ptype list, see ptype(3) for details, that is  a  general
                           purpose pointer used to share informations on the via.

SEE ALSO

       mbk(1), addphvia(3), delphvia(3), phfig(3), ptype(3).