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Integrated circuits with solar cells and methods for producing the same

A technology of solar cells and integrated circuits, applied in circuits, photovoltaic power generation, electrical components, etc., can solve problems such as small space for solar cells

Active Publication Date: 2019-04-09
GLOBALFOUNDRIES SINGAPORE PTE LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The size of integrated circuits has shrunk over time so that less space is available for solar cells on integrated circuits

Method used

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  • Integrated circuits with solar cells and methods for producing the same
  • Integrated circuits with solar cells and methods for producing the same
  • Integrated circuits with solar cells and methods for producing the same

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Embodiment Construction

[0010] The following embodiments are merely exemplary in nature, and are not intended to limit each specific embodiment or application and uses thereof. Furthermore, there is no intention to be bound by any theory presented in the preceding background or the following detailed description. Embodiments of the invention are generally directed to integrated circuits and methods of making the same. The various tasks and processes described herein may be incorporated into a more general program or process, having additional steps or functions not detailed herein. In particular, the various steps of integrated circuit fabrication are well known, and therefore, for the sake of brevity, many well-known steps will only be briefly described herein or will be omitted entirely without providing well-known process details. In the exemplary embodiments described herein, the handle layer side of a silicon-on-insulator (SOI) substrate forms a monocrystalline silicon solar cell.

[0011] see...

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PUM

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Abstract

Integrated circuits with solar cells and methods for producing the same are provided. Integrated circuits and methods of producing the same are provided. In an exemplary embodiment, an integrated circuit includes a substrate with a handle layer, a buried insulator layer overlying the handle layer, and an active layer overlying the buried insulator layer. The handle layer and the active layer include monocrystalline silicon. A transistor overlies the buried insulator layer, and a solar cell is within the handle layer such that the buried insulator layer is between the solar cell and the transistor. The solar cell includes a solar cell outer layer in electrical communication with a solar cell outer layer contact, and a solar cell inner layer in electrical communication with a solar cell inner layer contact. The solar cell inner and outer layers are monocrystalline silicon.

Description

technical field [0001] The technical field of the invention relates generally to integrated circuits with solar cells and methods of production thereof, and more particularly to integrated circuits with monocrystalline silicon solar cells and methods of production thereof. Background technique [0002] Electricity provides the power to operate the integrated circuit. However, there are some ICs that are used where a reliable power supply is not available or is not ideal. For example, the Internet of Things involves the interconnection of computing devices embedded in many consumer products, such as wearable devices, wireless sensors, etc., via the Internet. This interconnection can be facilitated by lower power devices with long-term, portable power supplies. Power can be provided by a battery or a hard-wired power supply, but the battery will eventually die, and the hard-wired power supply is not available in all locations and has limited mobility. [0003] An integrated...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/142H01L27/02
CPCH01L27/0203H01L27/1421H01L27/142H01L31/1804H01L31/068Y02E10/547Y02P70/50H01L31/02008H01L31/028H01L31/036H01L31/022425H01L31/02168H01L23/58Y02E10/50
Inventor 刘斌卓荣发
Owner GLOBALFOUNDRIES SINGAPORE PTE LTD