Thermal cycling apparatus and method for providing thermal uniformity
First Claim
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1. An apparatus for thermally cycling biological sample comprising:
- a thermal block assembly for receiving said biological sample;
a thermoelectric module coupled to said thermal block assembly; and
a heat sink, wherein said heat sink is coupled to said thermoelectric module, wherein said heat sink comprises a base plate, fins, and a thermal diffusivity plate, and wherein said thermal diffusivity plate comprises a different material than said base plate and fins, wherein said thermal diffusivity plate provides substantial temperature uniformity to said thermal block assembly during thermal cycling.
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Abstract
An apparatus and method for rapid thermal cycling including a thermal diffusivity plate. The thermal diffusivity plate can provide substantial temperature uniformity throughout the thermal block assembly during thermal cycling by a thermoelectric module. An edge heater can provide substantial temperature uniformity throughout the thermal block assembly during thermal cycling.
104 Citations
27 Claims
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1. An apparatus for thermally cycling biological sample comprising:
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a thermal block assembly for receiving said biological sample;
a thermoelectric module coupled to said thermal block assembly; and
a heat sink, wherein said heat sink is coupled to said thermoelectric module, wherein said heat sink comprises a base plate, fins, and a thermal diffusivity plate, and wherein said thermal diffusivity plate comprises a different material than said base plate and fins, wherein said thermal diffusivity plate provides substantial temperature uniformity to said thermal block assembly during thermal cycling. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 26, 27)
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12. An apparatus for thermally cycling biological samples comprising:
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a thermal block assembly for receiving said biological samples;
a thermoelectric module coupled to said thermal block assembly;
a heat sink; and
a thermal diffusivity plate coupled to said thermoelectric module and said heat sink, wherein said thermal diffusivity plate is positioned between said thermoelectric module and said heat sink, wherein said thermal diffusivity plate has a significantly greater thermal diffusivity than said heat sink. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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21. A method for thermally cycling biological sample comprising:
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contacting a thermoelectric module to a thermal block assembly;
heating said thermal block assembly, wherein said thermal block assembly is adapted for receiving said biological sample; and
cooling said thermal block assembly, wherein said cooling comprises diffusing heat to a heat sink through a thermal diffusivity plate. - View Dependent Claims (22, 23, 24, 25)
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Specification