JPH0521854B2 - - Google Patents
Info
- Publication number
- JPH0521854B2 JPH0521854B2 JP2205394A JP20539490A JPH0521854B2 JP H0521854 B2 JPH0521854 B2 JP H0521854B2 JP 2205394 A JP2205394 A JP 2205394A JP 20539490 A JP20539490 A JP 20539490A JP H0521854 B2 JPH0521854 B2 JP H0521854B2
- Authority
- JP
- Japan
- Prior art keywords
- molding
- mold
- optical
- optical element
- lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000000465 moulding Methods 0.000 claims description 44
- 230000003287 optical effect Effects 0.000 claims description 34
- 238000001816 cooling Methods 0.000 claims description 29
- 239000005304 optical glass Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 5
- 239000010941 cobalt Substances 0.000 description 12
- 229910017052 cobalt Inorganic materials 0.000 description 12
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 12
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000011521 glass Substances 0.000 description 7
- 230000003746 surface roughness Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 229910001873 dinitrogen Inorganic materials 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000005498 polishing Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910004261 CaF 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000001513 hot isostatic pressing Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910052950 sphalerite Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/12—Cooling, heating, or insulating the plunger, the mould, or the glass-pressing machine; cooling or heating of the glass in the mould
- C03B11/125—Cooling
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/06—Construction of plunger or mould
- C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/06—Construction of plunger or mould
- C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
- C03B11/084—Construction of plunger or mould for making solid articles, e.g. lenses material composition or material properties of press dies therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2215/00—Press-moulding glass
- C03B2215/02—Press-mould materials
- C03B2215/05—Press-mould die materials
- C03B2215/07—Ceramic or cermets
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2215/00—Press-moulding glass
- C03B2215/66—Means for providing special atmospheres, e.g. reduced pressure, inert gas, reducing gas, clean room
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20539490A JPH03228835A (ja) | 1990-08-02 | 1990-08-02 | 光学素子の成形方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20539490A JPH03228835A (ja) | 1990-08-02 | 1990-08-02 | 光学素子の成形方法 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23116382A Division JPS59123631A (ja) | 1982-12-28 | 1982-12-28 | 光学素子成形用型の作成方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03228835A JPH03228835A (ja) | 1991-10-09 |
| JPH0521854B2 true JPH0521854B2 (fr) | 1993-03-25 |
Family
ID=16506100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20539490A Granted JPH03228835A (ja) | 1990-08-02 | 1990-08-02 | 光学素子の成形方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03228835A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4580677B2 (ja) * | 2004-04-26 | 2010-11-17 | 東芝機械株式会社 | ガラス成形装置 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4981419A (fr) * | 1972-11-16 | 1974-08-06 | ||
| JPS5438126A (en) * | 1977-09-01 | 1979-03-22 | Olympus Optical Co Ltd | Electrophotography for plural copies |
| US4260408A (en) * | 1979-11-02 | 1981-04-07 | Ppg Industries, Inc. | Use of speed changes during cycling of a shaping mold |
-
1990
- 1990-08-02 JP JP20539490A patent/JPH03228835A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4981419A (fr) * | 1972-11-16 | 1974-08-06 | ||
| JPS5438126A (en) * | 1977-09-01 | 1979-03-22 | Olympus Optical Co Ltd | Electrophotography for plural copies |
| US4260408A (en) * | 1979-11-02 | 1981-04-07 | Ppg Industries, Inc. | Use of speed changes during cycling of a shaping mold |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03228835A (ja) | 1991-10-09 |
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