MD2646F1 - Process for obtaining lens on base of semiconductors with refractive index gradient - Google Patents

Process for obtaining lens on base of semiconductors with refractive index gradient

Info

Publication number
MD2646F1
MD2646F1 MDA20040096A MD20040096A MD2646F1 MD 2646 F1 MD2646 F1 MD 2646F1 MD A20040096 A MDA20040096 A MD A20040096A MD 20040096 A MD20040096 A MD 20040096A MD 2646 F1 MD2646 F1 MD 2646F1
Authority
MD
Moldova
Prior art keywords
refractive index
semiconductors
base
index gradient
dose
Prior art date
Application number
MDA20040096A
Other languages
Romanian (ro)
Other versions
MD2646G2 (en
Inventor
Ion Tighineanu
Veaceslav Ursachi
Lilian SIRBU
Veaceslav Popa
Original Assignee
Ion Tighineanu
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.)
Filing date
Publication date
Application filed by Ion Tighineanu filed Critical Ion Tighineanu
Priority to MDA20040096A priority Critical patent/MD2646G2/en
Publication of MD2646F1 publication Critical patent/MD2646F1/en
Publication of MD2646G2 publication Critical patent/MD2646G2/en

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Abstract

The invention refers to the optoelectronics, in particular to the lens with refractive index gradient.Summary of the invention consists in that into a semiconductor substrate there are implanted ions with a dose of high energy, determined by the relation:D = aR2,where:D - the dose of high energy of the implanted ions,R - the distance from the centre up to the substrate periphery,a - the dose gradient,then it is carried out the electrochemical pickling.
MDA20040096A 2004-04-28 2004-04-28 Process for obtaining lens on base of semiconductors with refractive index gradient MD2646G2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MDA20040096A MD2646G2 (en) 2004-04-28 2004-04-28 Process for obtaining lens on base of semiconductors with refractive index gradient

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MDA20040096A MD2646G2 (en) 2004-04-28 2004-04-28 Process for obtaining lens on base of semiconductors with refractive index gradient

Publications (2)

Publication Number Publication Date
MD2646F1 true MD2646F1 (en) 2004-12-31
MD2646G2 MD2646G2 (en) 2005-08-31

Family

ID=34132348

Family Applications (1)

Application Number Title Priority Date Filing Date
MDA20040096A MD2646G2 (en) 2004-04-28 2004-04-28 Process for obtaining lens on base of semiconductors with refractive index gradient

Country Status (1)

Country Link
MD (1) MD2646G2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD3811G2 (en) * 2007-11-06 2009-08-31 Институт Прикладной Физики Академии Наук Молдовы Process for obtaining semiconductor nanostructural zones

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4640585A (en) * 1983-04-28 1987-02-03 Canon Kabushiki Kaisha Semiconductor thin film lens
US6088166A (en) * 1998-12-22 2000-07-11 Dicon Fiberoptics, Inc. Miniaturization of gradient index lens used in optical components
JP2003238192A (en) * 2002-02-08 2003-08-27 Fujikura Ltd Method for producing gradient index lens

Also Published As

Publication number Publication date
MD2646G2 (en) 2005-08-31

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MD2646F1 (en) Process for obtaining lens on base of semiconductors with refractive index gradient

Legal Events

Date Code Title Description
KA4A Patent for invention lapsed due to non-payment of fees (with right of restoration)
MM4A Patent for invention definitely lapsed due to non-payment of fees