TWIN CHAMBER PROCESSING SYSTEM
First Claim
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1. A twin chamber processing system for processing substrates, comprising:
- a first process chamber having a first vacuum pump for maintaining a first operating pressure in a first processing volume of the first process chamber, wherein the first processing volume can be selectively isolated by a first gate valve disposed between the first processing volume and a low pressure side of the first vacuum pump;
a second process chamber having a second vacuum pump for maintaining a second operating pressure in a second processing volume of the second process chamber, wherein the second processing volume can be selectively isolated by a second gate valve disposed between the second processing volume and a low pressure side of the second vacuum pump;
a shared vacuum pump coupled to the first and second processing volumes for reducing a pressure in each processing volume below a critical pressure level prior, wherein the shared vacuum pump can be selectively isolated from any of the first process chamber, the second process chamber, the first vacuum pump, or the second vacuum pump; and
a shared gas panel coupled to each of the first process chamber and the second process chamber for providing one or more process gases to the first and second process chambers.
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Abstract
Methods and apparatus for twin chamber processing systems are disclosed, and, in some embodiments, may include a first process chamber and a second process chamber having independent processing volumes and a plurality of shared resources between the first and second process chambers. In some embodiments, the shared resources include at least one of a shared vacuum pump, a shared gas panel, or a shared heat transfer source.
543 Citations
17 Claims
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1. A twin chamber processing system for processing substrates, comprising:
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a first process chamber having a first vacuum pump for maintaining a first operating pressure in a first processing volume of the first process chamber, wherein the first processing volume can be selectively isolated by a first gate valve disposed between the first processing volume and a low pressure side of the first vacuum pump; a second process chamber having a second vacuum pump for maintaining a second operating pressure in a second processing volume of the second process chamber, wherein the second processing volume can be selectively isolated by a second gate valve disposed between the second processing volume and a low pressure side of the second vacuum pump; a shared vacuum pump coupled to the first and second processing volumes for reducing a pressure in each processing volume below a critical pressure level prior, wherein the shared vacuum pump can be selectively isolated from any of the first process chamber, the second process chamber, the first vacuum pump, or the second vacuum pump; and a shared gas panel coupled to each of the first process chamber and the second process chamber for providing one or more process gases to the first and second process chambers. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A twin chamber substrate processing system, comprising:
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a first process chamber having a first vacuum pump for maintaining a first operating pressure in a first processing volume of the first process chamber and having a first substrate support disposed within the first process chamber, wherein the first processing volume can be selectively isolated by a first gate valve disposed between the first processing volume and a low pressure side of the first vacuum pump and wherein the first substrate support has one or more channels to circulate a heat transfer fluid to control a temperature of the first substrate support; a second process chamber having a second vacuum pump for maintaining a second operating pressure in a second processing volume of the second process chamber and having a second substrate support disposed within the second process chamber, wherein the second processing volume can be selectively isolated by a second gate valve disposed between the second processing volume and a low pressure side of the second vacuum pump and wherein the second substrate support has one or more channels to circulate the heat transfer fluid to control a temperature of the second substrate support; a shared vacuum pump coupled to the first and second processing volumes for reducing a pressure in each processing volume below a critical pressure level, wherein the shared vacuum pump can be selectively isolated from any of the first process chamber, the second process chamber, the first vacuum pump, or the second vacuum pump; a shared gas panel coupled to each of the first process chamber and the second process chamber for providing one or more process gases to the first and second process chambers; and a shared heat transfer fluid source having an outlet to provide the heat transfer fluid to the respective one or more channels of the first substrate support and the second substrate support and an inlet to receive the heat transfer fluid from the first substrate support and the second substrate support. - View Dependent Claims (8, 9, 10)
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11. A twin chamber processing system for processing substrates, comprising:
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a first process chamber and a second process chamber disposed in a common housing, the first process chamber having a first processing volume and the second process chamber having a second processing volume, wherein the first and second processing volumes can be isolated from each other during processing; a shared vacuum pump coupled to the first and second processing volumes for reducing a pressure in each processing volume; a shared gas panel coupled to each of the first process chamber and the second process chamber for providing one or more process gases to the first and second process chambers; and a shared heat transfer fluid source having an outlet to provide the heat transfer fluid to respective one or more channels of a first substrate support disposed in the first process chamber and a second substrate support disposed in the second process chamber, and an inlet to receive the heat transfer fluid from the first substrate support and the second substrate support. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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Specification