JPH0372017B2 - - Google Patents
Info
- Publication number
- JPH0372017B2 JPH0372017B2 JP23116282A JP23116282A JPH0372017B2 JP H0372017 B2 JPH0372017 B2 JP H0372017B2 JP 23116282 A JP23116282 A JP 23116282A JP 23116282 A JP23116282 A JP 23116282A JP H0372017 B2 JPH0372017 B2 JP H0372017B2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- surface roughness
- molded
- lens
- molding
- 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
Links
- 230000003287 optical effect Effects 0.000 claims description 18
- 238000000465 moulding Methods 0.000 claims description 12
- 229910052594 sapphire Inorganic materials 0.000 claims description 10
- 239000010980 sapphire Substances 0.000 claims description 10
- 230000003746 surface roughness Effects 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 238000005498 polishing Methods 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910002804 graphite Inorganic materials 0.000 description 6
- 239000010439 graphite Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000005304 optical glass Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- MUJOIMFVNIBMKC-UHFFFAOYSA-N fludioxonil Chemical compound C=12OC(F)(F)OC2=CC=CC=1C1=CNC=C1C#N MUJOIMFVNIBMKC-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 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
- 238000009770 conventional sintering Methods 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910052950 sphalerite Inorganic materials 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
-
- 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
- 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
- C03B11/122—Heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2011/00—Optical elements, e.g. lenses, prisms
-
- 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
- C03B2215/03—Press-mould materials defined by material properties or parameters, e.g. relative CTE of mould parts
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23116282A JPS59123630A (ja) | 1982-12-28 | 1982-12-28 | 光学素子成形用型 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23116282A JPS59123630A (ja) | 1982-12-28 | 1982-12-28 | 光学素子成形用型 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59123630A JPS59123630A (ja) | 1984-07-17 |
| JPH0372017B2 true JPH0372017B2 (enrdf_load_stackoverflow) | 1991-11-15 |
Family
ID=16919273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23116282A Granted JPS59123630A (ja) | 1982-12-28 | 1982-12-28 | 光学素子成形用型 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59123630A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3322523C2 (de) * | 1983-06-23 | 1985-05-15 | Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar | Vorrichtung zum Ausformen von aus Glas bestehenden optischen Bauelementen hoher Oberflächengüte |
| DE3729281A1 (de) * | 1987-09-02 | 1989-03-16 | Schott Glaswerke | Verfahren zum herstellen von gepressten glasformkoerpern fuer praezisionsoptische zwecke |
-
1982
- 1982-12-28 JP JP23116282A patent/JPS59123630A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59123630A (ja) | 1984-07-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4072489A (en) | Vacuum process for avoiding devitrification damage to transparent slip-cast silica crucibles | |
| JP2620875B2 (ja) | 精密光学用ガラス成形品の製造方法 | |
| EP0647600B1 (en) | High-purity, opaque quartz glass, method for producing same and use thereof | |
| US4139677A (en) | Method of molding glass elements and element made | |
| US5866062A (en) | Process for producing shaped bodies of silicon dioxide | |
| US3900328A (en) | Method and apparatus for molding glass lenses | |
| JP3763420B2 (ja) | 高含量の二酸化珪素を有する造形物およびその製造法 | |
| US2091569A (en) | Article of self bonded granular material and method of making the same | |
| JP4449456B2 (ja) | セラミックス光学部品の製造方法 | |
| US3359066A (en) | Calcium fluoride optical elements and method for making same | |
| US3620702A (en) | Process improvement for manufacturing high-purity quartz forms | |
| JPS6067118A (ja) | 光学素子の製造方法 | |
| JPH0359016B2 (enrdf_load_stackoverflow) | ||
| JPH0372017B2 (enrdf_load_stackoverflow) | ||
| JPH0431328A (ja) | 光学素子成形用型構造及びプレス成形方法 | |
| JPH0250059B2 (enrdf_load_stackoverflow) | ||
| JPS6221733B2 (enrdf_load_stackoverflow) | ||
| JPH0420854B2 (enrdf_load_stackoverflow) | ||
| JPH0146453B2 (enrdf_load_stackoverflow) | ||
| JPH0521854B2 (enrdf_load_stackoverflow) | ||
| JPS6287B2 (enrdf_load_stackoverflow) | ||
| JPH06345455A (ja) | 光学ガラス素子の製造方法および製造装置 | |
| JPS59123631A (ja) | 光学素子成形用型の作成方法 | |
| JPH0769653A (ja) | 光学ガラス素子の製造方法および製造装置 | |
| JPS59116136A (ja) | 光学素子の製造方法 |