Clean-room-First-Sensor
Competencies
Our electronic engineering and manufacturing services

Substrate materials

Selecting the right substrate plays a central role in the functionality and reliability of the assembled component. Ceramic substrates have thermal conductivity that is magnitudes higher than that of conventional PCB material (FRx).

Substrate      Thermal conductivity
Al2O3 (96 %)     >25 W/mK
AlN     >150 W/mK
FRx     <1 W/(mK)

The electrical circuit layout can be created on these substrates with minimum influence from parasitic stray capacitance directly by means of multi-layer thick-film technology. Through-connections (Vias) permit two-sided circuit layouts. In addition, ceramic circuit carriers are optimally adapted to standard semiconductor systems thanks to their low coefficient of thermal expansion (CTE) compared with conventional FRx printed circuit boards.

    CTE @ RT
Circuit carrier     Al2O3    8.2 ppm/K
   AlN     4.5 ppm/K
    FR-4 12...16 ppm/K
Semiconductor     Si    2.5 pm/K
   GaAs     6 ppm/K
SiC     4 ppm/K
GaN     3.6 ppm/K

This permits the use of unhoused chips (bare dies) in Chip-on-Board (COB) Technology for applications in harsh environments where very high demands are placed on the reliability of the substrate-semiconductor connection. In addition, for the creation of electronic assemblies, direct-copper-bond (DCB) substrates with high current carrying capacity as well as insulate metal substrates (IMS) for optimum distribution of the heat loss are available for power electronics assemblies. The substrates are typically linked to a heatsink so that the electrical losses can be distributed efficiently. In addition to traditional metal alloys such as CuMo, thermally adapted alternatives made of composite materials such as Al-SiC and AlG can be used here. These bring with them a considerable weight saving.

Power-LED Module

Power LED module on IMS substrate for efficient discharge of heat loss

Frequency converter

Frequency converter in stacked circuit configuration for engine drive control

Company
First Sensor is one of the world's leading suppliers in the field of sensor systems. In the growth market of sensor systems, First Sensor develops and produces customer-specific solutions for the ever-increasing number of applications in the industrial, medical, and mobility target markets. Our goal here is to identify, meet and solve the challenges of the future with our innovative sensor solutions early on.
Investor Relations
Our investor relations activities aim at raising the international publicity of First Sensor AG and at consolidating and extending the perception of our share as an attractive growth stock. This means we keep our online communication transparent, comprehensive and continuous in order to enhance your trust in our share.
Tailored Solutions
In the growth market of sensor systems, First Sensor develops and produces customer-specific sensors, electronics, modules and complex systems for the ever-increasing number of applications in the industrial, medical, and mobility target markets. As a solution provider the company offers complete development services from a first draft and proof of concept up to the development of prototypes and finally serial production. First Sensor offers comprehensive development expertise, state-of-the-art packaging technologies and production capacities in clean rooms from ISO class 8 to 5.
Competencies
In the growth market of sensor systems, First Sensor develops and produces customer-specific sensors, electronics, modules and complex systems for the ever-increasing number of applications in the industrial, medical, and mobility target markets. As a solution provider the company offers complete development services from a first draft and proof of concept up to the development of prototypes and finally serial production. First Sensor offers comprehensive development expertise, state-of-the-art packaging technologies and production capacities in clean rooms from ISO class 8 to 5.
Career
Innovation, excellence, proximity – these are our values, our ambition, our drive. Anything less is not an option. Our sensor solutions stand for technical innovation and economic growth. As such, they form the basis for the development and application of new technologies in almost all areas of life. We aim to shape this future together with you.

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