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Infineon SP37 Tire Pressure Monitoring Sensor - Technology Analysis - Product Image

Infineon SP37 Tire Pressure Monitoring Sensor - Technology Analysis

  • ID: 2754876
  • February 2014
  • Region: Global
  • System Plus Consulting
http://new.intranet.researchandmarkets.com/workingTasks/TaskDetails/1978

The latest generation of Infineon's TPMS, the SP37, is a highly integrated TPM sensor which embeds measurement of pressure and radial acceleration (2 DoF) with a low-power microcontroller, a LF receiver and an RF transmitter in a system in package integrating only two dies. This high integration of functions allows to build a complete system with few external components and thus enable system cost savings.

The SP37 inherits its MEMS technology from the acquisition of the Norwegian Sensonor in 2003. Therefore, highly reliable measurements in harsh environments are possible by the use of the mature and low-cost triple stack hermetic wafer bonding technology in combination with buried piezoresistors and conductors.

The SP37 is assembled in a Small Outline 14-pin package and operates under a temperature range of -40 to +125°C.

This report will provide a Physical Analysis & Manufacturing Process Flow.

A full reverse costing analysis report is also available, with a complete teardown of the TPMS.

http://new.intranet.researchandmarkets.com/workingTasks/TaskDetails/1978

PHYSICAL ANALYSIS

Physical Analysis Methodology

Package
- Package Views, Dimensions & Marking
- Package X-Ray
- Package Opening
- Package Cross-Section

ASIC Die
- View, Dimensions & Marking
- Delayering
- Main Blocks
- Cross-Section
- Process Characteristics

MEMS Die
- View, Dimensions & Marking
- Bond Pad Opening & Bond Pad
- Cap Removed
- Sensing Area
- Cross-Section:
- Accelerometer Cross-Section
- Pressure Sensor Cross-Section

MANUFACTURING PROCESS FLOW

Global Overview
ASIC Front-End Process
ASIC Wafer Fabrication Unit
MEMS Process Flow
MEMS Wafer Fabrication Unit
Packaging Process Flow & Assembly Unit

Note: Product cover images may vary from those shown

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