JPS4944044A - - Google Patents
Info
- Publication number
- JPS4944044A JPS4944044A JP7936173A JP7936173A JPS4944044A JP S4944044 A JPS4944044 A JP S4944044A JP 7936173 A JP7936173 A JP 7936173A JP 7936173 A JP7936173 A JP 7936173A JP S4944044 A JPS4944044 A JP S4944044A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/0074—Production of other optical elements not provided for in B29D11/00009- B29D11/0073
Landscapes
- Engineering & Computer Science (AREA)
- Ophthalmology & Optometry (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Polymerisation Methods In General (AREA)
- Physical Vapour Deposition (AREA)
- Moulding By Coating Moulds (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27241972A | 1972-07-17 | 1972-07-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4944044A true JPS4944044A (https=) | 1974-04-25 |
| JPS5237479B2 JPS5237479B2 (https=) | 1977-09-22 |
Family
ID=23039722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7936173A Expired JPS5237479B2 (https=) | 1972-07-17 | 1973-07-16 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5237479B2 (https=) |
| BE (1) | BE802393A (https=) |
| FR (1) | FR2192903B1 (https=) |
| GB (1) | GB1417749A (https=) |
| IT (1) | IT991217B (https=) |
| NL (1) | NL7309873A (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1100615A (en) * | 1974-06-29 | 1981-05-05 | Kazuo Totani | Liquid crystal electro-optical device |
| EP1672394B1 (fr) * | 2004-12-16 | 2007-04-18 | Ecole d'Ingénieurs ARC | Procédé de réalisation d'un dispositif à membrane en matière plastique et dispositif ainsi obtenu |
-
1973
- 1973-07-16 BE BE133521A patent/BE802393A/xx unknown
- 1973-07-16 GB GB3374273A patent/GB1417749A/en not_active Expired
- 1973-07-16 NL NL7309873A patent/NL7309873A/xx not_active Application Discontinuation
- 1973-07-16 JP JP7936173A patent/JPS5237479B2/ja not_active Expired
- 1973-07-16 IT IT2664973A patent/IT991217B/it active
- 1973-07-16 FR FR7326029A patent/FR2192903B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE802393A (fr) | 1974-01-16 |
| IT991217B (it) | 1975-07-30 |
| DE2335436B2 (de) | 1976-05-06 |
| JPS5237479B2 (https=) | 1977-09-22 |
| GB1417749A (en) | 1975-12-17 |
| NL7309873A (https=) | 1974-01-21 |
| DE2335436A1 (de) | 1974-01-31 |
| FR2192903A1 (https=) | 1974-02-15 |
| FR2192903B1 (https=) | 1976-06-18 |