The recent development of various types of ion sources and their appli
cation in China is reviewed. Emphasis is given to new improvements of
the electron cyclotron resonance ion source; MEVVA ion source, electro
n beam evaporation metal ion source, compact multicusp ion source, as
well as compact negative ion sources with permanent magnets. Some of t
he new proposals are also presented. (C) 1996 American Institute of Ph
ysics.