Natale M. Ceglio - Pleasanton CA, US Giovanni Nocerino - Pleasanton CA, US Fabio Zocchi - Samarate, IT
Assignee:
Media Lario, S.R.L. - Bosisio Parini
International Classification:
G21K 5/04 G03B 27/42
US Classification:
250504R, 359350, 359355, 359359
Abstract:
A source-collector module for an extreme ultraviolet (EUV) lithography system, the module including a laser-produced plasma (LPP) that generates EUV radiation and a grazing-incidence collector (GIC) mirror arranged relative thereto and having an input end and an output end. The LPP is formed using an LPP target system wherein a pulsed laser beam travels on-axis through the GIC and is incident upon solid, moveable LPP target. The GIC mirror is arranged relative to the LPP to receive the EUV radiation therefrom at its input end and focus the received EUV radiation at an intermediate focus adjacent the output end. An example GIC mirror design is presented that includes a polynomial surface-figure correction to compensate for GIC shell thickness effects, thereby improve far-field imaging performance.
Source-Collector Module With Gic Mirror And Tin Rod Euv Lpp Target System
Richard A. Levesque - Livermore CA, US Natale M. Ceglio - Pleasanton CA, US Giovanni Nocerino - Pleasanton CA, US Fabio Zocchi - Samarate, IT
Assignee:
Media Lario S.R.L. - Bosisio Parini
International Classification:
H01J 37/20
US Classification:
250504R
Abstract:
A source-collector module (SOCOMO) for generating a laser-produced plasma (LPP) that emits EUV radiation, and a grazing-incidence collector (GIC) mirror arranged relative to the LPP and having an input end and an output end. The LPP is formed using an LPP target system having a light source portion and a target portion, wherein a pulsed laser beam from the light source portion irradiates a rotating Sn rod in the target portion to generate the EUV radiation. The GIC mirror is arranged relative to the LPP to receive the EUV radiation at its input end and focus the received EUV radiation at an intermediate focus adjacent the output end. A radiation collection enhancement device having at least one funnel element may be used to increase the amount of EUV radiation provided to the intermediate focus and/or directed to a downstream illuminator. An EUV lithography system that utilizes the SOCOMO is also disclosed.
Source-Collector Module With Gic Mirror And Tin Vapor Lpp Target System
Richard Levesque - Livermore CA, US Natale M. Ceglio - Pleasanton CA, US Giovanni Nocerino - Pleasanton CA, US Fabio Zocchi - Samarate, IT
International Classification:
H05G 2/00 G03F 7/20 G03B 27/70
US Classification:
430319, 250504 R, 2504921
Abstract:
A source-collector module (SOCOMO) for generating a laser-produced plasma (LPP) that emits EUV radiation, and a grazing-incidence collector (GIC) mirror arranged relative to the LPP and having an input end and an output end. The LPP is formed using an LPP target system having a light source portion and a target portion, wherein a pulsed laser beam from the light source portion irradiates Sn vapor from a Sn vapor source of the target portion. The GIC mirror is arranged relative to the LPP to receive the EUV radiation at its input end and focus the received EUV radiation at an intermediate focus adjacent the output end. A radiation collection enhancement device may be used to increase the amount of EUV radiation provided to the intermediate focus. An EUV lithography system that utilizes the SOCOMO is also disclosed.
Source-Collector Module With Gic Mirror And Xenon Liquid Euv Lpp Target System
Richard A. Levesque - Livermore CA, US Natale M. Ceglio - Pleasanton CA, US Giovanni Nocerino - Pleasanton CA, US Fabio Zocchi - Samarate, IT
International Classification:
G03B 27/42 H05G 2/00
US Classification:
355 53, 250504 R
Abstract:
A source-collector module (SOCOMO) for generating a laser-produced plasma (LPP) that emits EUV radiation, and a grazing-incidence collector (GIC) mirror arranged relative to the LPP and having an input end and an output end. The LPP is formed using an LPP target system having a light source portion and a target portion, wherein a pulsed laser beam from the light source portion irradiates Xenon liquid in the target portion. The GIC mirror is arranged relative to the LPP to receive the EUV radiation at its input end and focus the received EUV radiation at an intermediate focus adjacent the output end. A radiation collection enhancement device having at least one funnel element may be used to increase the amount of EUV radiation provided to the intermediate focus and/or directed to a downstream illuminator. An EUV lithography system that utilizes the SOCOMO is also disclosed.
Source-Collector Module With Gic Mirror And Xenon Ice Euv Lpp Target System
Richard A. Levesque - Livermore CA, US Natale M. Ceglio - Pleasanton CA, US Giovanni Nocerino - Pleasanton CA, US Fabio Zocchi - Samarate, IT
International Classification:
G03B 27/52 H05G 2/00
US Classification:
355 55, 250504 R
Abstract:
A source-collector module (SOCOMO) for generating a laser-produced plasma (LPP) that emits EUV radiation, and a grazing-incidence collector (GIC) mirror arranged relative to the LPP and having an input end and an output end. The LPP is formed using an LPP target system having a light source portion and a target portion, wherein a pulsed laser beam from the light source portion irradiates Xenon ice provided by the target portion to an irradiation location. The GIC mirror is arranged relative to the LPP to receive the EUV radiation at its input end and focus the received EUV radiation at an intermediate focus adjacent the output end. A radiation collection enhancement device having at least one funnel element may be used to increase the amount of EUV radiation provided to the intermediate focus and/or directed to a downstream illuminator. An EUV lithography system that utilizes the SOCOMO is also disclosed.
Source-Collector Module With Gic Mirror And Tin Wire Euv Lpp Target System
Richard A. Levesque - Livermore CA, US Natale M. Ceglio - Pleasanton CA, US Giovanni Nocerino - Pleasanton CA, US Fabio Zocchi - Samarate, IT
International Classification:
G03B 27/52 H05G 2/00
US Classification:
355 55, 250504 R
Abstract:
A source-collector module (SOCOMO) for generating a laser-produced plasma (LPP) that emits EUV radiation, and a grazing-incidence collector (GIC) mirror arranged relative to the LPP and having an input end and an output end. The LPP is formed using an LPP target system having a light source portion and a target portion, wherein a pulsed laser beam from the light source portion irradiates a Sn wire provided by the target portion. The GIC mirror is arranged relative to the LPP to receive the EUV radiation at its input end and focus the received EUV radiation at an intermediate focus adjacent the output end. A radiation collection enhancement device having at least one funnel element may be used to increase the amount of EUV radiation provided to the intermediate focus and/or directed to a downstream illuminator. An EUV lithography system that utilizes the SOCOMO is also disclosed.
Source-Collector Module Wth Gic Mirror And Lpp Euv Light Source
Natale M. Ceglio - Pleasanton CA, US Giovanni Nocerino - Pleasanton CA, US Fabio Zocchi - Samarate (VA), IT
International Classification:
G21K 5/04 G03F 7/20
US Classification:
355 67, 250504 R
Abstract:
A source-collector module for an extreme ultraviolet (EUV) lithography system, the module including a laser-produced plasma (LPP) that generates EUV radiation and a grazing-incidence collector (GIC) mirror arranged relative thereto and having an input end and an output end. The LPP is formed using an LPP target system wherein a pulsed laser beam travels on-axis through the GIC and is incident upon solid, moveable LPP target. The GIC mirror is arranged relative to the LPP to receive the EUV radiation therefrom at its input end and focus the received EUV radiation at an intermediate focus adjacent the output end. An example GIC mirror design is presented that includes a polynomial surface-figure correction to compensate for GIC shell thickness effects, thereby improve far-field imaging performance.
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