Identification technology based on biometrics is a branch of research that employs the
unique individual traits of humans to authenticate identity, which is the most secure method …

Biometric recognition, or simply biometrics, refers to the use of distinctive anatomical and/or
behavioral characteristics or identifiers (eg, fingerprints, face, iris, voice, and hand geometry) …

This paper examines the possibility of a low-cost, high-resolution fingerprint sensor chip.
The test chip is composed of 64/spl times/256 sensing cells (chip size: 2.7/spl times/10.8 …

The image capture device plays a key role in fingerprint authentication. In recent years, we
have seen remarkable innovations in these devices, which have reduced the size, lowered …

A chip architecture that integrates a fingerprint sensor and an identifier in a single chip is
proposed. The fingerprint identifier is formed by an array of pixels, and each pixel contains a …

Novel capacitive fingerprint sensor techniques are described. We propose a novel sensor
cell architecture to obtain high sensitivity, wide output dynamic range, and contrast …

A CMOS fingerprint sensor architecture with embedded cellular logic for image processing is
presented. The system senses a fingerprint image with a capacitive technique and performs …

This paper describes a microelectromechanical systems (MEMS) fingerprint sensor that has
novel protrusions on the sensor surface in order to detect clear fingerprint images for various …

We describe a new semiconductor capacitive sensor structure and the fabrication process
for a single-chip fingerprint sensor/identifier LSI in which the sensor is stacked on a 0.5-/spl …

The SOC implementation of a capacitive fingerprint sensor, which embeds the 32-bit
microcontroller for performing an identification algorithm, is described for user authentication …