US PATENT SUBCLASS 438 / 557
.~.~ From melt
Current as of:
June, 1999
Click
HD
for Main Headings
Click for
All Classes
Internet Version by
PATENTEC
© 1999
     
Terms of Use
438 /
HD
SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS
510
DF
INTRODUCTION OF CONDUCTIVITY MODIFYING DOPANT INTO SEMICONDUCTIVE MATERIAL
{7}
542
DF
.~ Diffusing a dopant {15}
557
.~.~ From melt
DEFINITION
Classification: 438/557
From melt:
(under subclass 542) Processes wherein the source of the electrically active impurity is molten material.