MEMS FingerPrint

Samsung Galaxy S5 – Home Button Synaptics Fingerprint Sensor

Published: 26/08/2014
Product code: SP14178
Price: EUR 2 990
Applications: Consumer

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Introduction
Summary
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Based on a totally different sensing technology than the iPhone 5S, Samsung introduces for the first time a fingerprint sensor in its product.

The Galaxy S5 home button presents an innovative fingerprint sensor developed by Synaptics, a world leader in capacitive sensing human interface solutions for consumer electronics companies.

Samsung’s fingerprint sensor is using an innovative PCB technology for capacitive sensing of ridge peaks and ridge valleys of a fingerprint on a swiped finger. The sensor senses the speed of the finger as it is swiped across the image sensor and recognize the fingerprint image.

Located above the home button, the 17.5×5.5 mm sensor is incorporated within a rectangular shaped housing composed of an aluminum ring and a stainless steel base. The sensor is protected by a white plastic cover.

Glossary

Overview/Introduction

Executive Summary
Reverse Costing Methodology

Company Profile

Validity/Synaptics
Samsung

Physical Analysis

Synthesis of the Physical Analysis
Galaxy S5 Fingerprint button disassembly
Fingerprint Button Assembly
Fingerprint Sensor Packaging
Sensing PCB
Sensor Die
Flex PCB

Sensor Manufacturing Process

Sensor Front-End Process
Sensor Front-End Wafer Fabrication Unit
Sensor PCB Fabrication Unit
Synthesis of the main parts
Synthesis of the assembling

Cost Analysis IC-PCB

Synthesis of the cost analysis
Main steps of economic analysis
Yields Explanation
Yields Hypotheses
IC Sensor
Sensor rigid PCB Cost

Home Button Assembly Cost

Components Cost
Home Button Assembly Cost