| 摘要 |
PCT No. PCT/FR93/00283 Sec. 371 Date Jan. 24, 1994 Sec. 102(e) Date Jan. 24, 1994 PCT Filed Mar. 19, 1993 PCT Pub. No. WO93/19014 PCT Pub. Date Sep. 30, 1993.Flourinated glasses containing indium fluoride and MF2 fluorides in at least 70 moles %, in which M denotes one or several elements of the group Ba, Sr, Ca, Pb. Said glasses contains, in the form of stabilizing elements, either 2 to 12 % gadolinium fluoride, or 2 to 10 % magnesium fluoride, or else a mixture of both fluorides in a proportion not exceeding 20 mole %. Variants of these compositions are also described. |
