Samsung electronics co., ltd. (20240321910). IMAGE SENSOR simplified abstract
Contents
IMAGE SENSOR
Organization Name
Inventor(s)
Kook-tae Kim of Hwaseong-si (KR)
Jin-gyun Kim of Hwaseong-si (KR)
IMAGE SENSOR - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240321910 titled 'IMAGE SENSOR
The patent application describes an image sensor with a semiconductor substrate that has a pixel isolation film extending from the first surface into the substrate, defining active pixels. The pixel isolation film includes a buried conductive layer with polysilicon containing a fining element at a first concentration, along with an insulating liner between the buried conductive layer and the substrate, where the fining element includes oxygen, carbon, or fluorine.
- The image sensor includes a semiconductor substrate with a pixel isolation film that defines active pixels.
- The pixel isolation film contains a buried conductive layer with polysilicon and a fining element at a specific concentration.
- An insulating liner separates the buried conductive layer from the semiconductor substrate.
- The fining element in the buried conductive layer includes oxygen, carbon, or fluorine.
- This technology enhances the performance and efficiency of image sensors by improving pixel isolation and conductivity.
Potential Applications: - Digital cameras - Smartphones - Surveillance systems - Medical imaging devices
Problems Solved: - Improved pixel isolation in image sensors - Enhanced conductivity within the sensor - Better overall performance and efficiency
Benefits: - Higher quality images - Increased sensor reliability - Improved device longevity
Commercial Applications: Title: Enhanced Image Sensor Technology for High-Performance Devices This technology can be utilized in various commercial products such as digital cameras, smartphones, surveillance systems, and medical imaging devices. The improved pixel isolation and conductivity lead to higher quality images, increased reliability, and improved device longevity, making it a valuable addition to high-performance devices in the market.
Questions about Image Sensor Technology: 1. How does the buried conductive layer with a fining element improve pixel isolation in the image sensor? 2. What are the specific benefits of using oxygen, carbon, or fluorine as fining elements in the buried conductive layer?
Original Abstract Submitted
an image sensor including a semiconductor substrate having a first surface and a second surface; and a pixel isolation film extending from the first surface of the semiconductor substrate into the semiconductor substrate and defining active pixels in the semiconductor substrate, wherein the pixel isolation film includes a buried conductive layer including polysilicon containing a fining element at a first concentration; and an insulating liner between the buried conductive layer and the semiconductor substrate, and wherein the fining element includes oxygen, carbon, or fluorine.
