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US4248732A
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Laser phosphate glass compositions
Assignee: Darby Bank and Trust Co
•
Filing: 1978-02-14
•
Granted: 1981-02-03
•
Expires: 1998-02-14
Abstract
Abstract Laser phosphate glass compositions are provided by combining constituent elements at defined amounts to form compositions which provide a balance of properties to the glass, especially high gain and low n 2 .
Inventors
- 👤 John D. Myers
- 👤 Charles S. Vollers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:54
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/12; C03C3/16; C03C3/17; C03C4/00; C03C4/0071
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
194 words
A laser glass consisting essentially of the following ingredients in mole percentages: ______________________________________
Ingredient Mole Percent Weight %
______________________________________
P.sub.2 O.sub.5
35 to 65
R.sub.2 O.sub.3
0.01 to 15
RO 5 to 30
R.sub.2 O 5 to 40
Nd.sub.2 O.sub.3
0.01 to 7
Solarization to limit of
inhibitor solubility
______________________________________ wherein R 2 O 3 is selected from the group consisting of Al 2 O 3 , La 2 O 3 , Y 2 O 3 , Tm 2 O 3 , B 2 O 3 , Er 2 O 3 and mixtures thereof, wherein RO is ZnO and mixtures of ZnO with alkaline earth oxides selected from the group consisting of BaO, BeO, MgO, SrO, and CaO, wherein R 2 O is selected from the alkali metal oxide group consisting of Li 2 O, K 2 O, Na 2 O, Rb 2 O, and mixtures thereof, and wherein the solarization inhibiting oxide is present in an amount sufficient to prevent discoloration, and wherein said solarization inhibiting oxide is selected from the group consisting of Nb 2 O 5 SiO 2 , TiO 2 , CeO, and Sb 2 O 3 and mixtures thereof.
Claim 2
Dependent Claim
194 words
A laser glass consisting essentially of the following ingredients in mole percentages: ______________________________________
Ingredient Mole Percent Weight %
______________________________________
P.sub.2 O.sub.5
35 to 65
R.sub.2 O.sub.3
0.01 to 15
RO 5 to 30
R.sub.2 O 5 to 40
Nd.sub.2 O.sub.3
0.01 to 7
Solarization to limit of
inhibitor solubility
______________________________________ wherein R 2 O 3 is selected from the group consisting of Al 2 O 3 , La 2 O 3 , Y 2 O 3 , Tm 2 O 3 , B 2 O 3 , Er 2 O 3 and mixtures thereof, wherein RO is ZnO and mixtures of ZnO with alkaline earth oxides selected from the group consisting of BaO, BeO, MgO, SrO, and CaO, wherein R 2 O is selected from the alkali metal oxide group consisting of Li 2 O, K 2 O, Na 2 O, Rb 2 O, and mixtures thereof, and wherein the solarization inhibiting oxide is present in an amount sufficient to prevent discoloration, and wherein said solarization inhibiting oxide is selected from the group consisting of Nb 2 O 5 SiO 2 , TiO 2 , CeO, and Sb 2 O 3 and mixtures thereof.
Claim 3
Dependent Claim
41 words
The laser glass as defined in claim 1, wherein the following ingredients are in mole percentages: ______________________________________
Ingredient Mole Percent Weight %
______________________________________
P.sub.2 O.sub.5
40-55
R.sub.2 O.sub.3
0.1-10
RO 7-25
R.sub.2 O 20-35
Nd.sub.2 O.sub.3
0.1-3
Solarization 0.1-10.0
inhibitor
______________________________________
Claim 4
Dependent Claim
25 words
The laser glass as defined in claim 1, wherein the glass is in the form of rods and wherein said rods possess good optical properties.
Claim 5
Dependent Claim
25 words
The laser glass as defined in claim 1, wherein the glass is in the form of disks and wherein said disks possess good optical properties.
Claim 6
Dependent Claim
25 words
The laser glass as defined in claim 1, wherein the glass is in the form of plates and wherein said plates possess good optical properties.
Claim 7
Dependent Claim
25 words
The laser glass as defined in claim 1, wherein the glass is in the form of fibers and wherein said fibers possess good optical properties.
Claim 8
Dependent Claim
35 words
A laser glass comprising the following ingredients in mole percentages: ______________________________________
Ingredient Mole Percent Weight %
______________________________________
P.sub.2 O.sub.5
45.0
Li.sub.2 O 35.0
ZnO 15.0
Al.sub.2 O.sub.3
3.6
Nd.sub.2 O.sub.3
1.4
Nb.sub.2 O.sub.5 1.0
______________________________________
Claim 9
Dependent Claim
35 words
A laser glass comprising the following ingredients in mole percentages: ______________________________________
Ingredient Mole Percent Weight %
______________________________________
P.sub.2 O.sub.5
45.0
Li.sub.2 O 35.0
ZnO 15.0
Al.sub.2 O.sub.3
3.6
Nd.sub.2 O.sub.3
1.4
Nb.sub.2 O.sub.5 1.0
______________________________________
Claim 10
Dependent Claim
40 words
A laser glass comprising the following ingredients in mole percentages: ______________________________________
Ingredient Mole Percent Weight %
______________________________________
P.sub.2 O.sub.5
50.0
Li.sub.2 O 35.0
ZnO 5.0
CaO 5.0
Al.sub.2 O.sub.3
3.6
Nd.sub.2 O.sub.3
1.4
Nb.sub.2 O.sub.5 1.0
Sb.sub.2 O.sub.5 0.5
______________________________________
Claim 11
Dependent Claim
40 words
A laser glass comprising the following ingredients in mole percentages: ______________________________________
Ingredient Mole Percent Weight %
______________________________________
P.sub.2 O.sub.5
50.0
Li.sub.2 O 35.0
ZnO 5.0
CaO 5.0
Al.sub.2 O.sub.3
3.6
Nd.sub.2 O.sub.3
1.4
Nb.sub.2 O.sub.5 1.0
Sb.sub.2 O.sub.5 0.5
______________________________________
Claim 12
Dependent Claim
39 words
A laser glass consisting essentially of the following ingredients in mole percentages: ______________________________________
Ingredients Mole Percent Weight %
______________________________________
P.sub.2 O.sub.5
40.0
Li.sub.2 O 27.5
ZnO 18.3
CaO 9.2
Al.sub.2 O.sub.3
3.6
Nd.sub.2 O.sub.3
1.4
Nb.sub.2 O.sub.5 1.0
______________________________________
Claim 13
Dependent Claim
39 words
A laser glass consisting essentially of the following ingredients in mole percentages: ______________________________________
Ingredients Mole Percent Weight %
______________________________________
P.sub.2 O.sub.5
40.0
Li.sub.2 O 27.5
ZnO 18.3
CaO 9.2
Al.sub.2 O.sub.3
3.6
Nd.sub.2 O.sub.3
1.4
Nb.sub.2 O.sub.5 1.0
______________________________________
Claim 14
Dependent Claim
35 words
A laser glass comprising the following ingredients in mole percentages: ______________________________________
Ingredients Mole Percent Weight %
______________________________________
P.sub.2 O.sub.5
55.5
Li.sub.2 O 23.3
ZnO 15.4
Al.sub.2 O.sub.3
4.4
Nd.sub.2 O.sub.3
1.4
Nb.sub.2 O.sub.5 2.0
______________________________________
Claim 15
Dependent Claim
35 words
A laser glass comprising the following ingredients in mole percentages: ______________________________________
Ingredients Mole Percent Weight %
______________________________________
P.sub.2 O.sub.5
55.5
Li.sub.2 O 23.3
ZnO 15.4
Al.sub.2 O.sub.3
4.4
Nd.sub.2 O.sub.3
1.4
Nb.sub.2 O.sub.5 2.0
______________________________________
Claim 16
Dependent Claim
43 words
A laser glass comprising the following ingredients in mole percentages: ______________________________________
Ingredients Mole Percent Weight %
______________________________________
P.sub.2 O.sub.5
50.0
Na.sub.2 O 5.0
Li.sub.2 O 25.0
ZnO 10.0
MgO 5.0
Al.sub.2 O.sub.3
4.1
Nd.sub.2 O.sub.3
0.9
Sb.sub.2 O.sub.3 1.0
Nb.sub.2 O.sub.5 2.0
______________________________________
Claim 17
Dependent Claim
43 words
A laser glass comprising the following ingredients in mole percentages: ______________________________________
Ingredients Mole Percent Weight %
______________________________________
P.sub.2 O.sub.5
50.0
Na.sub.2 O 5.0
Li.sub.2 O 25.0
ZnO 10.0
MgO 5.0
Al.sub.2 O.sub.3
4.1
Nd.sub.2 O.sub.3
0.9
Sb.sub.2 O.sub.3 1.0
Nb.sub.2 O.sub.5 2.0
______________________________________
Claim 18
Dependent Claim
38 words
A laser glass comprising the following ingredients in mole percentages: ______________________________________
Ingredients Mole Percent Weight %
______________________________________
P.sub.2 O.sub.5
58.0
Li.sub.2 O 32.0
ZnO 5.0
Al.sub.2 O.sub.3
3.5
Nd.sub.2 O.sub.3
3.5
Nb.sub.2 O.sub.5 2.0
Sb.sub.2 O.sub.3 1.0
______________________________________
Claim 19
Dependent Claim
38 words
A laser glass comprising the following ingredients in mole percentages: ______________________________________
Ingredients Mole Percent Weight %
______________________________________
P.sub.2 O.sub.5
58.0
Li.sub.2 O 32.0
ZnO 5.0
Al.sub.2 O.sub.3
3.5
Nd.sub.2 O.sub.3
3.5
Nb.sub.2 O.sub.5 2.0
Sb.sub.2 O.sub.3 1.0
______________________________________
Claim 20
Dependent Claim
35 words
A laser glass comprising the following ingredients in mole percentages: ______________________________________
Ingredients Mole Percent Weight %
______________________________________
P.sub.2 O.sub.5
50.0
Li.sub.2 O 15.0
ZnO 30.0
Al.sub.2 O.sub.3
3.6
Nd.sub.2 O.sub.3
1.4
Nb.sub.2 O.sub.5 1.0
______________________________________
Claim 21
Dependent Claim
35 words
A laser glass comprising the following ingredients in mole percentages: ______________________________________
Ingredients Mole Percent Weight %
______________________________________
P.sub.2 O.sub.5
50.0
Li.sub.2 O 15.0
ZnO 30.0
Al.sub.2 O.sub.3
3.6
Nd.sub.2 O.sub.3
1.4
Nb.sub.2 O.sub.5 1.0
______________________________________
Claim 22
Dependent Claim
40 words
A laser glass comprising the following ingredients in mole percentages: ______________________________________
Ingredients Mole Percent Weight %
______________________________________
P.sub.2 O.sub.5
50.0
Na.sub.2 O 25.0
ZnO 10.0
CaO 10.0
Al.sub.2 O.sub.3
4.1
Nd.sub.2 O.sub.3
0.9
Sb.sub.2 O.sub.3 0.5
Nb.sub.2 O.sub.5 0.5
______________________________________
Claim 23
Dependent Claim
40 words
A laser glass comprising the following ingredients in mole percentages: ______________________________________
Ingredients Mole Percent Weight %
______________________________________
P.sub.2 O.sub.5
50.0
Na.sub.2 O 25.0
ZnO 10.0
CaO 10.0
Al.sub.2 O.sub.3
4.1
Nd.sub.2 O.sub.3
0.9
Sb.sub.2 O.sub.3 0.5
Nb.sub.2 O.sub.5 0.5
______________________________________
Claim 24
Dependent Claim
40 words
A laser glass comprising the following ingredients in mole percentages: ______________________________________
Ingredients Mole Percent Weight %
______________________________________
P.sub.2 O.sub.5
45.0
K.sub.2 O 22.5
ZnO 22.5
Al.sub.2 O.sub.3
3.6
B.sub.2 O.sub.3
5.0
Nd.sub.2 O.sub.3
1.4
CeO.sub.2 1.0
Nb.sub.2 O.sub.5 1.0
______________________________________
Claim 25
Dependent Claim
40 words
A laser glass comprising the following ingredients in mole percentages: ______________________________________
Ingredients Mole Percent Weight %
______________________________________
P.sub.2 O.sub.5
45.0
K.sub.2 O 22.5
ZnO 22.5
Al.sub.2 O.sub.3
3.6
B.sub.2 O.sub.3
5.0
Nd.sub.2 O.sub.3
1.4
CeO.sub.2 1.0
Nb.sub.2 O.sub.5 1.0
______________________________________
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-02-03 | 1984-08-04 | 1985-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-02-03 | 1988-08-04 | 1989-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-02-03 | 1992-08-04 | 1993-02-03 | $7700.00 | Window Closed / Lapsed |