Semiconductor encapsulant resin having an additive with a gradient concentration
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Abstract
Provided is an encapsulant resin for a semiconductor that effectively functions even with a relatively small amount of an additive.
The encapsulant resin for a semiconductor is characterized in that the additive has a concentration gradient in the direction of thickness of the encapsulant resin. Specifically, the concentration gradient of the additive is established in the direction of thickness of the encapsulant resin by stacking at least two types of organic polymer resins containing different contents of the additive to form the encapsulant resin or by applying an electric field to the encapsulant resin to effect electrophoresis of the polar additive in the encapsulant resin.
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Citations
25 Claims
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1. (Canceled)
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2. A method of producing a semiconductor, comprising stacking on a surface of a semiconductor element at least two types of organic polymer resin members having different contents of an additive dissolved therein and encapsulating the semiconductor with the resin.
- 3. A method of producing a semiconductor, comprising applying an electric field to an encapsulant resin member to effect electrophoresis of a polar additive dissolved in the encapsulant resin thereby establishing a concentration gradient of the additive in the direction of thickness of the encapsulant resin member and encapsulating a surface of a semiconductor with the encapsulant resin.
- 6. A method of producing a solar cell module, comprising stacking on a surface of a photovoltaic element at least two types of organic polymer resin members having different contents of an additive dissolved therein and encapsulating the photovoltaic element with the resin.
- 7. A method of producing a solar cell module, comprising applying an electric field to an encapsulant resin member to effect electrophoresis of a polar additive dissolved in the encapsulant resin thereby establishing a concentration gradient of the additive in the direction of thickness of the encapsulant resin member and encapsulating a surface of a photovoltaic element with the encapsulant resin.
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14-19. -19. (Canceled)
- 20. A method of producing a semiconductor element encapsulated with an encapsulant resin, comprising providing an additive dissolved in the encapsulant resin with a concentration gradient in the direction of thickness of the encapsulant resin.
Specification