8162502027

- 139 -

a) 6 mgm/cm² 100 kV 5 m A 50 HOURS

FIGURĘ 10.

b) 7 mgm/cm²

100 k V 5 m A

50 HOURS

Appearance of

c) 5 mgm/cm²

120 k V 1 0 mA 200 HOURS

Erbium Targets

a)

FIGURĘ 11. Tritium Autoradiographs

(of targets in FIG. 10)

90	kV	b) 120	kV
8	mA	10	mA
40	HOURS	200	HOURS
		(f rom 10C)

FIGURĘ 12. Autoradiographs of activity

in Molybdenum substrate.