Fingerprint Verification – Biolog Device

CAPACITIVE TYPE FINGERPRINT SENSOR

Fingerprint verification technology is most popular biometrics solution.
Biolog Device has developed its unique capacitance-type fingerprint recognition sensor and its algorithm.

BF10A

Feature
- Capacitance-type Fingerprint Touch Sensor
- Low-Power Design
- Anti-Noise by Bezel Application
- Spray Coating Available on Surface
- Maximum 120um Sensing Available

Specification

Basic items	Parameters	Description
Sensing	Pixel Array	88R * 88C
Sensing	Pixel resolution	500 DPI
Supply voltage	Analog Core	1.8V
Supply voltage	IO VDD	1.8V / 3.3V
Operating average current	Image Capture mode	1mA
Operating average current	Finger Detection mode	40uA
Junction temperature	Operating temperature	-40 ~ 125℃
Host interface	Mode 0 SPI	Up to 12MHz
Host interface	IRQ	Interrupt signal to inform the sensor status
ESD	HBM	Up to ±2kV

BF30A

Feature
- Capacitance-type Fingerprint Touch Sensor
- Fingerprint Sensor Touch Mode
(Tap/double-Tap/Holding mode)
- Low-Power Design
- Spray Coating / Covering Glass Available on Surface
- Maximum 230um Sensing Available

Specification

Basic items	Parameters	Description
Sensing	Area	160R * 160C
Sensing	Pixel resolution	508 DPI
Supply voltage	Analog Core	3.3V
Supply voltage	IO VDD	1.8V / 3.3V
Operating average current	Image Capture mode	5mA
Operating average current	Finger Detection mode	35uA
Junction temperature	Operating temperature	-40 ~ 125℃
Host interface	Mode 0 SPI	Up to 12MHz
Host interface	IRQ	Interrupt signal to inform the sensor status
ESD	HBM	Up to ±8kV

BF50A (Developing)

Feature
- Arranged Version of BF30a Pixel Array
- Fingerprint Sensor Touch Mode
(Tap/double-Tap/Holding mode)
- Finger Detection/Click, Flexible size image capture, image read with accelerating or rotating

Specification

Basic items	Parameters	Description
Sensing	Area	96R * 176C
Sensing	Pixel resolution	508 DPI
Supply voltage	Analog Core	3.3V
Supply voltage	IO VDD	1.8V / 3.3V
Operating average current	Image Capture mode	5mA
Operating average current	Finger Detection mode	TBD
Junction temperature	Operating temperature	-40 ~ 125℃
Host interface	Mode 0 SPI	Up to 12MHz
Host interface	IRQ	Interrupt signal to inform the sensor status
ESD	HBM	Up to ±8kV

Algorithm & Application

Self-developed fingerprint verification algorithm 'BLD Fingerprint Algorithm V1.0' and the suitability of the algorithm's capability were certified by KISA (Korea Internet & Security Agency).
The fingerprint recognition sensor and its algorithm can be utilized for various devices such as a fingerprint reader, face recognition device, smart door lock, security USB memory stick, and smart card.