Battery package and method using flexible polymer films having a deposited layer of an inorganic material
First Claim
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1. A battery package for a thin battery comprising:
- a flexible polymer base film attached to and enclosing the battery; and
a flexible layer of an inorganic material deposited on the base film to encapsulate and seal the battery wherein the inorganic material is selected from the group consisting of silicon nitride, aluminum nitride and aluminum oxide.
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Abstract
A battery package for a thin battery includes a flexible base film that covers and encloses the battery and a flexible layer of an inorganic material such as silicon nitride, aluminum nitride or aluminum oxide deposited on the base film to encapsulate and seal the battery. The base film is formed of a flexible polymer material such as polyester that may be attached to the battery using a heat activated adhesive. The layer of inorganic material is deposited on the base film utilizing a low temperature CVD deposition process either before or after the base film is attached to the battery.
161 Citations
20 Claims
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1. A battery package for a thin battery comprising:
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a flexible polymer base film attached to and enclosing the battery; and a flexible layer of an inorganic material deposited on the base film to encapsulate and seal the battery wherein the inorganic material is selected from the group consisting of silicon nitride, aluminum nitride and aluminum oxide. - View Dependent Claims (2, 3, 4, 5)
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6. A battery package for a thin battery having a pair of electrical leads comprising:
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a flexible polymer base film attached to and enclosing the battery; and a flexible layer of an inorganic material selected from the group consisting of silicon nitride, aluminum nitride and aluminum oxide deposited on an external surface and edges of the base film to encapsulate and seal the battery and an egress of the electrical leads from the battery. - View Dependent Claims (7, 8, 9, 10, 11, 12)
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13. A battery package for a thin battery comprising:
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a flexible polymer base film attached to and enclosing the battery; and a flexible film layer formed of a material selected from the group of materials consisting of silicon nitride, aluminum nitride and aluminum oxide deposited on the base film using a chemical vapor deposition (CVD) process to encapsulate and seal the battery. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification