SCHOTT North America

Transponder Glass

SCHOTT transponder glass is used for the hermetic encapsulation of RFID transponder devices. Main application areas include pet and lifestock identification as well as any technical areas, where transponders need to be reliably protected against harsh environments.

Product Description

SCHOTT transponder glasses are precision cut glass vials in customized dimensions and lengths. The standard outside diameter of such vials ranges from 1 mm to 8 mm. Transponder glasses typically have one sealed and one fire-polished end. As the transponders are often brought into the bodies of animals, biocompatibility is of key importance.

SCHOTT’s patented transponder glass 8625 was specially formulated to ensure excellent biocompatibility for animal identification, as well as optimum processability at the same time. Due to the high iron content of the glass, it can be sealed by various light sources (e.g. Nd-Yag lasers).

Product Advantages

SCHOTT 8625 transponder glass offers the following advantages:

Optimum long term protection of transponder devices
Excellent biocompatibility for animal applications demonstrated in various studies
Highest accuracy in terms of glass composition and dimensional tolerances
Fast and flexible sampling for standard as well as custom-made solutions
Ease of use in processing and end-user application

Applications

Our customers use SCHOTT 8625 transponder glass for the hermetic encapsulation of RFID transponder devices.

RFID stands for "Radio Frequency Identification". A RFID transponder consists of a semiconductor chip and an antenna. Using radiowaves emitted from a reading unit, specific information can be stored on and read from the chip. The technology functions completely wireless: depending on the configuration, the distance between the reading unit and the RFID transponder ranges from several centimeters to approximately 1 meter. No battery is needed since the necessary energy for sending and receiving is entirely supplied by radiowaves from the reading unit.

End-user applications are found in a variety of fields:

Livestock identification helps to ensure the origin and safety of meat.
For pet identification, the RFID transponder is injected with a syringe.
Logistic support for the freight and automotive industries.

Technology
The fabrication of glass tubes is one of SCHOTT's key competencies.

All high-precision cutting and sealing equipment has been developed in-house. SCHOTT 8625 transponder glass vials have one sealed and one fire-polished end. The fire-polishing of the open end avoids chipping during transportation and further processing.

Features / Specifications

The following table lists all important features of SCHOTT’s transponder glass type 8625:

Properties of transponder glasses		8625
Coefficient of thermal expansion (ISO 7991) α_20-300	10^-6K^-1	9.15
Transformation temperature (ISO 7884-8)	°C	514
Temperature at viscosity (ISO 7884-5)10⁴ dPas	°C	1023
Density	g/cm³	2.52
Young’s Modulus of elasticity	GPa	73
Transmission of 0.5 mm glass at 1.1 µm	%	15
Classes of chemical stability water (ISO 719) acid (DIN 12116) alkali (ISO 695)		3 1 2
Biocompatibility		excellent

Please contact us for information about standard and custom dimensions.

Forms of Supply and Product Packaging

Transponder glass vials are packaged in antistatic trays.

Quality Assurance

Please refer to our quality assurance processes page for more information on our various quality assurance programs.

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Electronic Packaging
SCHOTT North America, Inc.

15 Wells Street
Southbridge, MA 01550
USA

+1 (508) 765-7450

+1 (508) 765-3377

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