CA1066507A - Methode de fabrication de lentilles - Google Patents

Methode de fabrication de lentilles

Info

Publication number: CA1066507A
Authority: CA; Canada
Prior art keywords: glass; layer; preform; lens; covering
Prior art date: 1975-04-09
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

Application number

CA224,189A

Other languages

English (en)

Other versions

CA224189S (en

Inventor

Walter P. Siegmund

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

American Optical Corp

Sola International Inc

Original Assignee

American Optical Corp

Priority date (The priority date 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 date listed.)

1975-04-09

Filing date

1975-04-09

Publication date

1979-11-20

1975-04-09 Application filed by American Optical Corp filed Critical American Optical Corp

1975-04-09 Priority to CA224,189A priority Critical patent/CA1066507A/fr

1979-11-20 Application granted granted Critical

1979-11-20 Publication of CA1066507A publication Critical patent/CA1066507A/fr

Status Expired legal-status Critical Current

Links

238000004519 manufacturing process Methods 0.000 title claims abstract description 17
239000011521 glass Substances 0.000 claims abstract description 129
230000001681 protective effect Effects 0.000 claims abstract description 24
230000005499 meniscus Effects 0.000 claims abstract description 6
238000000034 method Methods 0.000 claims description 21
238000007493 shaping process Methods 0.000 claims description 12
238000002386 leaching Methods 0.000 claims description 7
239000000463 material Substances 0.000 claims description 7
238000007667 floating Methods 0.000 claims description 6
238000005520 cutting process Methods 0.000 claims description 4
238000010438 heat treatment Methods 0.000 claims description 3
238000005096 rolling process Methods 0.000 claims description 3
239000012530 fluid Substances 0.000 claims description 2
239000000126 substance Substances 0.000 claims description 2
238000009833 condensation Methods 0.000 claims 1
230000005494 condensation Effects 0.000 claims 1
239000000470 constituent Substances 0.000 claims 1
238000009877 rendering Methods 0.000 claims 1
238000000227 grinding Methods 0.000 abstract description 11
238000005498 polishing Methods 0.000 abstract description 8
239000002904 solvent Substances 0.000 abstract description 2
239000010410 layer Substances 0.000 description 18
239000000243 solution Substances 0.000 description 6
238000012986 modification Methods 0.000 description 5
230000004048 modification Effects 0.000 description 5
239000011248 coating agent Substances 0.000 description 4
238000000576 coating method Methods 0.000 description 4
238000000465 moulding Methods 0.000 description 4
238000003825 pressing Methods 0.000 description 4
NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 4
230000007547 defect Effects 0.000 description 3
230000014509 gene expression Effects 0.000 description 3
239000002184 metal Substances 0.000 description 3
229910052751 metal Inorganic materials 0.000 description 3
239000006060 molten glass Substances 0.000 description 3
210000002381 plasma Anatomy 0.000 description 3
239000011241 protective layer Substances 0.000 description 3
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
239000002253 acid Substances 0.000 description 2
150000001875 compounds Chemical class 0.000 description 2
238000007599 discharging Methods 0.000 description 2
238000005566 electron beam evaporation Methods 0.000 description 2
238000001704 evaporation Methods 0.000 description 2
210000004907 gland Anatomy 0.000 description 2
238000007731 hot pressing Methods 0.000 description 2
150000002500 ions Chemical class 0.000 description 2
239000012633 leachable Substances 0.000 description 2
238000004080 punching Methods 0.000 description 2
229910001018 Cast iron Inorganic materials 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
229910004369 ThO2 Inorganic materials 0.000 description 1
230000006978 adaptation Effects 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
239000005388 borosilicate glass Substances 0.000 description 1
238000005266 casting Methods 0.000 description 1
239000000919 ceramic Substances 0.000 description 1
238000004140 cleaning Methods 0.000 description 1
238000010276 construction Methods 0.000 description 1
238000000151 deposition Methods 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
239000000428 dust Substances 0.000 description 1
238000007688 edging Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000010894 electron beam technology Methods 0.000 description 1
230000002708 enhancing effect Effects 0.000 description 1
238000005530 etching Methods 0.000 description 1
239000005357 flat glass Substances 0.000 description 1
239000005329 float glass Substances 0.000 description 1
230000004927 fusion Effects 0.000 description 1
239000007789 gas Substances 0.000 description 1
238000007373 indentation Methods 0.000 description 1
238000001659 ion-beam spectroscopy Methods 0.000 description 1
238000010884 ion-beam technique Methods 0.000 description 1
238000011068 loading method Methods 0.000 description 1
239000000203 mixture Substances 0.000 description 1
230000003287 optical effect Effects 0.000 description 1
239000013618 particulate matter Substances 0.000 description 1
230000002093 peripheral effect Effects 0.000 description 1
239000011819 refractory material Substances 0.000 description 1
HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
229910010271 silicon carbide Inorganic materials 0.000 description 1
239000010959 steel Substances 0.000 description 1
ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 description 1
230000004304 visual acuity Effects 0.000 description 1

CA224,189A 1975-04-09 1975-04-09 Methode de fabrication de lentilles Expired CA1066507A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA224,189A CA1066507A (fr)	1975-04-09	1975-04-09	Methode de fabrication de lentilles

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA224,189A CA1066507A (fr)	1975-04-09	1975-04-09	Methode de fabrication de lentilles

Publications (1)

Publication Number	Publication Date
CA1066507A true CA1066507A (fr)	1979-11-20

Family

ID=4102761

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA224,189A Expired CA1066507A (fr)	1975-04-09	1975-04-09	Methode de fabrication de lentilles

Country Status (1)

Country	Link
CA (1)	CA1066507A (fr)

1975
- 1975-04-09 CA CA224,189A patent/CA1066507A/fr not_active Expired

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