US5093153A — Method of making coated glass substrates

Claim 1

Independent Claim 69 words

A method for making coated objects which comprises: fabricating a glass substrate; and coating, by a plasma deposition process, at least a first layer of an organosilicon monomer upon said substrate and polymerizing said monomer upon said substrate, wherein said coating and said polymerization are performed in a single step, and wherein said plasma is produced with an electrical generator operating at a frequency of between about 10-100 kHz.

Claim 2

Independent Claim 69 words

A method for making coated objects which comprises: fabricating a glass substrate; and coating, by a plasma deposition process, at least a first layer of an organosilicon monomer upon said substrate and polymerizing said monomer upon said substrate, wherein said coating and said polymerization are performed in a single step, and wherein said plasma is produced with an electrical generator operating at a frequency of between about 10-100 kHz.

Claim 3

Dependent Claim 39 words

The method according to claim 1 wherein said method further comprises interposing at least one coating layer upon said glass substrate beneath said layer of said organosilicon monomer to improve the optical the optical properties of said coated object.

Claim 4

Dependent Claim 14 words

The method according to claim 2 wherein said interposed coating is a metal layer.

Claim 5

Dependent Claim 29 words

The method according to claim 2 wherein said interposed coating layer is deposited upon said substrate by pyrolytically decomposing a powdered, metal-based compound upon the surface of the substrate.

Claim 6

Dependent Claim 84 words

The method according to claim 1 wherein said plasma deposition process comprises: placing said substrate to be coated into an enclosure maintained at a low vacuum pressure; introducing a supply of an organosilicon monomer in gaseous form into said enclosure; and producing an electrical discharge between two electrodes within said enclosure, so as to polymerize said monomer upon said substrate wherein one of said electrodes is grounded and supports the substrate to be coated while the other electrode is connected to electrical generating means.

Claim 7

Dependent Claim 23 words

The method according to claim 5 which further comprises entraining said monomer in a carrier gas prior to introducing it into said enclosure.

Claim 8

Dependent Claim 21 words

The method according to claim 5 which further comprises introducing oxygen into said enclosure to facilitate the polymerization of said monomer.

Claim 9

Dependent Claim 27 words

The method according to claim 7 wherein said oxygen may be added in an amount of up to about 50% of the volume of said carrier gas.

Claim 10

Dependent Claim 31 words

The method according to claim 1 which further comprises annealing said organosilicon monomer layer subsequent to its formation upon said substrate in order to reduce the refracture index of said coating.

Claim 11

Dependent Claim 16 words

The method of claim 9 wherein said coated object is annealed at between about 350-500° C.

Claim 12

Dependent Claim 16 words

The method of claim 9 which further comprises performing said annealing step in an inert atmosphere.

Claim 13

Dependent Claim 22 words

The method according to claim 1 which further comprises tempering said coated substrates without adversely affecting the emissivity of said coated substrates.

Claim 14

Independent Claim 132 words

A method for making coated glass objects which comprises: fabricating a glass substrate; placing said substrate to be coated into an enclosure maintained at a low vacuum pressure; entraining a supply of an organosilicon monomer in a carrier gas; introducing said gas-entrained monomer into said enclosure; adding a supply of oxygen, comprising up to about 50% of the amount of said carrier gas used, to said gas-entrained monomer within said enclosure; and producing an electrical discharge between two electrodes placed on the order of about 2 cm. apart within said enclosure so as to polymerize said monomer upon said substrate, wherein one of said electrodes is grounded and supports the substrate to be coated while the other electrode is connected to an electrical generator operable at frequencies of between about 10-100 kHz.

Claim 15

Independent Claim 132 words

A method for making coated glass objects which comprises: fabricating a glass substrate; placing said substrate to be coated into an enclosure maintained at a low vacuum pressure; entraining a supply of an organosilicon monomer in a carrier gas; introducing said gas-entrained monomer into said enclosure; adding a supply of oxygen, comprising up to about 50% of the amount of said carrier gas used, to said gas-entrained monomer within said enclosure; and producing an electrical discharge between two electrodes placed on the order of about 2 cm. apart within said enclosure so as to polymerize said monomer upon said substrate, wherein one of said electrodes is grounded and supports the substrate to be coated while the other electrode is connected to an electrical generator operable at frequencies of between about 10-100 kHz.

Claim 16

Independent Claim 126 words

A method for mitigating speckling or iridescence effects in a layer obtained by pyrolytic decomposition of a powder upon a glass substrate which comprises coating, by a plasma deposition process, at least a first layer of an organosilicon monomer upon at least a portion of said substrate and polymerizing said monomer upon said substrate, wherein said coating and said polymerization are performed in a single step in order to reduce or mitigate said speckling or iridescence effect within said pyrolyzed layer, and wherein said coating is of a sufficient thickness and has a sufficient refractive index so as not to absorb energy within the visible spectrum, and further wherein said plasma is produced with an electrical generator operating at a frequency of between about 10-100 kHz.

Claim 17

Independent Claim 126 words

A method for mitigating speckling or iridescence effects in a layer obtained by pyrolytic decomposition of a powder upon a glass substrate which comprises coating, by a plasma deposition process, at least a first layer of an organosilicon monomer upon at least a portion of said substrate and polymerizing said monomer upon said substrate, wherein said coating and said polymerization are performed in a single step in order to reduce or mitigate said speckling or iridescence effect within said pyrolyzed layer, and wherein said coating is of a sufficient thickness and has a sufficient refractive index so as not to absorb energy within the visible spectrum, and further wherein said plasma is produced with an electrical generator operating at a frequency of between about 10-100 kHz.

Claim 18

Dependent Claim 17 words

The method according to claim 14 wherein said organomineral film is a film of an organosilicon monomer.

Claim 19

Independent Claim 154 words

A method for producing an antiglare surface upon a coated glass substrate which comprises: coating, by a plasma deposition process, at least a first layer of an organosilicon monomer upon at least a portion of said substrate and polymerizing said monomer upon said substrate, wherein said coating and said polymerization are performed in a single step, wherein said coating is of a sufficient thickness and a sufficient refractive index so as not to absorb energy in the visible spectrum, and wherein said plasma is produced with an electrical generator operating at a frequency of between 10-100 kHz; and annealing said coated glass substrate so as to lower the refractive index of said coating such that the square of the refractive index of the coated substrate is about equal to the index of the refraction of the substrate without such a coating, in order to reduce the glare from the surface of said coated substrate.

Claim 20

Independent Claim 154 words

A method for producing an antiglare surface upon a coated glass substrate which comprises: coating, by a plasma deposition process, at least a first layer of an organosilicon monomer upon at least a portion of said substrate and polymerizing said monomer upon said substrate, wherein said coating and said polymerization are performed in a single step, wherein said coating is of a sufficient thickness and a sufficient refractive index so as not to absorb energy in the visible spectrum, and wherein said plasma is produced with an electrical generator operating at a frequency of between 10-100 kHz; and annealing said coated glass substrate so as to lower the refractive index of said coating such that the square of the refractive index of the coated substrate is about equal to the index of the refraction of the substrate without such a coating, in order to reduce the glare from the surface of said coated substrate.

Claim 21

Dependent Claim 17 words

The method according to claim 16 wherein said organomineral film is a film of an organosilicon monomer.

Claim 22

Independent Claim 75 words

A method for producing a barrier layer upon a coated glass substrate which comprises bonding to at least a portion of said substrate a film of an organosilicon compound, said film formed in a single step by a plasma deposition process wherein said plasma is produced by an electrical generator operating at a frequency of between about 10-100 kHz, so as to form an obstacle to the migration of alkaline ions out of said substrate.

Claim 23

Independent Claim 75 words

A method for producing a barrier layer upon a coated glass substrate which comprises bonding to at least a portion of said substrate a film of an organosilicon compound, said film formed in a single step by a plasma deposition process wherein said plasma is produced by an electrical generator operating at a frequency of between about 10-100 kHz, so as to form an obstacle to the migration of alkaline ions out of said substrate.

Claim 24

Independent Claim 84 words

A method for making coated objects which comprises: fabricating a glass substrate; coating by plasma deposition process, at least a first layer of an organosilicon monomer upon said substrate and polymerizing said monomer upon said substrate, wherein said coating and said polymerization are performed in a single step and wherein said coating and said plasma is produced with an electrical generator operating at a frequency of between about 10-100 KHz; and bending said coated substrates without adversely affecting the emissivity of said coated substrates.

Claim 25

Independent Claim 84 words

A method for making coated objects which comprises: fabricating a glass substrate; coating by plasma deposition process, at least a first layer of an organosilicon monomer upon said substrate and polymerizing said monomer upon said substrate, wherein said coating and said polymerization are performed in a single step and wherein said coating and said plasma is produced with an electrical generator operating at a frequency of between about 10-100 KHz; and bending said coated substrates without adversely affecting the emissivity of said coated substrates.

Claim 26

Dependent Claim 101 words

The method according to claim 1 wherein said plasma deposition process comprises; placing said substrate to be coated into an enclosure maintained at a low vacuum pressure; introducing a supply of an organosilicon monomer in gaseous form into said enclosure; and producing an electrical discharge between two electrodes placed on the order of about 2 cm. apart within said enclosure so as to polymerize said monomer upon said substrate, wherein one of said electrodes is grounded and supports the substrate to be coated while the other electrode is connected to an electrical generator operable at frequencies of between about 10-100 kHz.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1995-03-03	1995-09-02	1996-03-03	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1999-03-03	1999-09-02	2000-03-03	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2003-03-03	2003-09-02	2004-03-03	$7700.00	Window Closed / Lapsed

Method of making coated glass substrates

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