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Samsung Galaxy S7 Rear Camera Module
May.2016

galaxy_7_icn
3 290 €

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Description

galaxy 7 flyer

For the Galaxy S7, Samsung has chosen the best CMOS image sensor technology, the first with copper-copper hybrid bonding

In the Galaxy S7, Samsung has introduced a new CMOS image sensor (CIS) from Sony. It provides full ‘Dual Pixel’ phase detection autofocus, deep trench isolation (DTI) and copper-copper (Cu-Cu) hybrid bonding.

The Samsung Galaxy S7 camera module integrates a 12Mpixel resolution CMOS image sensor with a pixel size of 1.4µm and an aperture of f/1.7. The increase of the pixel size compared to the Samsung Galaxy S6 implies a bigger CMOS image sensor die area. The module’s infrared filter is made on a plastic plate, unlike the iPhone 6S Plus, which used the more common blue glass filter.

camera module cross section samsung galaxy 7 system plus consulting

The camera module, with dimensions of 12 x 12 x 5.3mm, is equipped with a 6-elements lens module and a voice coil motor (VCM) auto-focus actuator. There are three components on the flex: A STMicroelectronics gyroscope, Renesas optical image stabilization (OIS) driver and Winbond serial flash memory.

Camera module CIS cross section Cu Cu hybrid bonding samsung galaxy 7 system plus consultingThe CIS is assembled with a wire bonding process and uses a 3D hybrid bonding backside illumination (BSI) architecture from Sony (Exmor-RS). This is the first time this technology has been used in a camera module. It stacks two separate chips using optimized Cu-Cu hybrid bonding processes. One chip is a pixel array circuit which uses BSI technology, the other a 45nm technology node process logic ISP circuit. This hybrid bonding technology is probably direct bond interconnect (DBI) from Tessera.


Samsung used several sources for the assembly of the Galaxy S7 camera module.

The report includes comparisons with Samsung Galaxy S6 and iPhone 6S Plus rear camera modules.

 galaxy 7 img

 

 

 

  

 

  

  

Table of contents

Overview / Introduction

 

Company profile & Supply Chain

 

Physical Analysis

> Camera module view and dimensions
> Camera module disassembly
> STMicroelectronics L2G2IS gyroscope
> Renesas OIS driver
> Winbond Serial flash memory
> Cross-Section Camera Module (including Housing, AFA/OIS, IR Filter, FPC)
> Comparison with Samsung Galaxy S6 and iPhone 6S Structure
> CMOS Image Sensor
     - View and dimensions
     - Pads, wire bonding and Tungsten grid
     - CIS pixels
     - Logic circuit (main blocks, transistors, SRAM, ROM)
> CMOS Image Sensor Cross-Section
     - Overview
     - Pixel Array circuit
     - Logic circuit
     - Pad trench
     - Cu-Cu hybrid bonding
> Comparison with iPhone 6S and 6S Plus CMOS Image Sensor

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CIS Manufacturing Process Flow

> Global Overview
> Logic Circuit Front-End Process
> Pixel Array Circuit Front-End Process
> BSI, Cu-Cu Hybrid Bonding and Microlens Processes
> CIS Wafer Fabrication Unit

 

Cost Analysis

> Cost Analysis Synthesis
> The Main Steps Used in the Economic Analysis
> Yield Hypotheses
> CMOS Image Sensor Cost
- Logic circuit front-end cost
- Pixel Array front-end cost
- BSI and Cu-Cu hybrid bonding front-end cost
- Color filter and Microlens front-end cost
- Total front-end cost
- Back-end: tests and dicing
- CIS wafer and die cost
> Camera Module Assembly Cost
- Lens module cost
- AFA/OIS cost
- Final assembly cost
> Camera Module Cost

                                              

Technology and Cost comparison with Samsung 6 and iPhone 6s

 

 


About the authors

ABOUT SYSTEM PLUS CONSULTING

Headquartered in Nantes, France, System Plus Consulting is specialized in technology and cost analysis of electronic components and systems. During our 20 years in business, we have built and refined detailed cost models as the primary tools for hundreds of analyses.

The highly qualified System Plus cost engineers combine broad and deep skills in semiconductor and electronics technologies with years of experience in cost modeling. We offer:custom reverse costing analyses, standard reverse costing reports and costing tools within the following fields: integrated circuits, power devices and modules, MEMS & sensors, photonics (LED, Image Sensors), packaging and electronic boards and systems. www.systemplus.fr.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REVERSE COSTING WITH

  • Detailed Photos

  • Precise Measurements

  • Material Analysis

  • Manufacturing Process Flow

  • Supply Chain Evaluation

  • Manufacturing Cost Analysis

  • Selling price estimate

  • Comparison with Samsung Galaxy S6 camera module structure

  • Comparison with iPhone 6S Plus camera module structure

 

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