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Avago FBAR Filter - All-Silicon MEMS Duplexer

avago emv2
2 990 €

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avago Icone FlyerReverse engineering of AVAGO BAW filters: one of the highest volume production of MEMS using TSV and AlN piezoelectric active layer.

With more than 1 Billion units produced per year and a market share of 65%, Avago Technologies clearly dominates the BAW filter market.

The ACMD-7612 is an UMTS Duplexer manufactured with Avago's film bulk acoustic resonator (FBAR) technology which uses AlN piezoelectric material for resonating layers.

The filters are hermetically wafer-level packaged with Avago's Microcap bonded-wafer CSP technology, allowing the filters to be assembled in a molded chip-on-board module of less than 1.2 mm high.

TSVs are etched in the cap in order to report electrical contacts and thus reduce filter dies size.
The ACMD-7612 is targeted for handsets or data terminals operating in the UMTS Band I frequency range and features a Maximum RF Input Power to Tx Port of ±33 dBm.

This report provides complete teardown of the FBAR duplexer with:
- Detailed photos
- Material analysis
- Schematic assembly description
- Manufacturing Process Flow (including AlN process, wafer capping and TSV manufacturing)
- In-depth manufacturing cost analysis
- Supply chain evaluation
- Selling price estimation


avago emv1

Table of contents



> Executive Summary
> Reverse Costing Methodology

Company Profile

> Avago Technologies Profile

Physical Analysis

> Physical Analysis Methodology
> Package Characteristics & Markings
> Package X-Ray
> Package Opening – Main Parts
> Package Cross-Section
> MEMS Dies Dimensions
> MEMS Dies Markings
> MEMS Dies Bond Pads & TSV
> Tx Die Opening
> Tx Die Cap
> Tx Die FBAR
> Rx Die Opening
> MEMS Die Cross-section – Overview
> MEMS Die Cross-section – TSV
> MEMS Die Cross-section – Membrane
> MEMS Die Cross-section – Contacts

 Manufacturing Process Flow
> Global Overview
> MEMS Process Overview
> FBAR Process Flow
> Cap Process Flow
> Wafer Bonding Process Flow
> Description of the Wafer Fabrication Unit
> Component Packaging Process Flow

Cost Analysis

> Synthesis of the Cost Analysis
> Main Steps of Economic Analysis
> Yields Explanation
> Yields Hypotheses
> Dies per wafer & Probe Test
> MEMS Front-End Cost
> MEMS Front-End cost per Process Steps
> Back-End 0: Probe Test & Dicing Cost
> MEMS Dies Cost
> Back-End: Packaging Cost
> Back-End: Packaging Cost per steps
> Back-End: Final test Cost
> ACMD-7612 Component Cost (FE + BE 0 + BE 1)

Estimated Price Analysis




Across the Enterprise, from marketing to purchasing and R&D, product manufacturing cost is a major factor which has to be measured and then optimized. Since 1993, System Plus Consulting’s mission has been to develop and sell the right tools and services to meet these costing requirements.

System Plus Consulting utilizes an engineering approach to cost. Cost models and technology expertise are combined to provide customers with an accurate and objective estimation of manufacturing costs and selling prices.

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: technology analysis followed by cost evaluation
− Standard reverse costing reports: regular publications on innovative products (available from our catalogue)
− Costing tools: software tools combining models and data to perform cost analysis

System Plus Consulting analyzes any type of electronic devices and systems, with a special focus on semiconductor technologies. Major fields of technology and cost expertise are:
− Integrated Circuits
− Power Devices and Modules
− MEMS & Sensors
− Photonics: LED, Image Sensors
− Packaging including wafer level
− Electronic Boards and Systems

Our analyses are used by Purchasing Departments to measure their suppliers’ cost structure, R&D Departments to confirm technological choices depending on their impact on costs, and Benchmarking/Marketing Departments to monitor the products on the market.

System Plus Consulting is committed to provide a high level of service:
− Delivery of reports and custom analyses with a minimum lead time.
− Results presentation and online Q&A sessions when support is needed.
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Since 2008, our partnership with YOLE Développement has allowed us to stay at the forefront of technologies and has added a market view to our reports.

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