AF 32® eco

AF 32® eco provides solutions across the fields of consumer electronics, optics, semiconductors, MEMS, RF, and microdisplay. With a coefficient of thermal expansion matching that of a silicon wafer, AF 32® eco is an adaptable and reliable choice for a broad range of packaging applications.
Diagram of the components of an infrared camera in a smartphone
Diagram of the components of a Time of Flight (ToF) sensor in a smartphone

3D Imaging and Sensing

SCHOTT AF 32® eco is ideal as a substrate in infrared narrow band filters for 3D Imaging and Sensing. It’s also a vital component of Structured Light and Time of Flight (ToF) sensors, Stereoscopic Imaging and LiDAR, facilitating functions such as facial recognition, distance detection and scanning. Camera autofocus and video assist functions, 3D modeling, and augmented and virtual reality, are other key areas of use.

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Silicon wafer with microchips with one separate microchip

Camera imaging

AF 32® eco is highly effective as a wafer-level packaging solution, and it plays a significant role in the area of camera imaging. As the CTE of AF 32® eco corresponds to that of a silicon wafer, it’s an ideal choice for silicon wafer covers. The highly flexible options offered by SCHOTT in terms of size, shape and thickness, along with the high and homogenous transmittance properties of AF 32® eco, make it an adaptable and reliable choice.

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Orange glass semiconductor carrier
MEMs component with glass packaging

Semiconductors and MEMS

Given the compatibility of AF 32® eco with silicon components, it functions highly effectively in semiconductor systems. Silicon thinning is becoming an important process in semiconductor component manufacture, and AF 32® eco can be used as a temporary bonding solution with silicon. The same attributes enable it to act as a high-quality wafer-thin glass cover or substrate for MEMS applications.

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RF and HF

AF 32® eco has a key role to play in applications involving RF (radio frequency) and HF (high frequency) devices, ranging from the smartphone market to wearable and automotive fields. With a low level of dielectric loss, AF 32® eco can be used as a substrate in SAW filters, converting electrical signals to acoustic waves and back again. These look set to play a key role in the growing 5G communications industry.

Man wearing and touching a pair of augmented reality glasses


Microdisplays such as LCoS, microOLED, and microLED rely on top-quality glass components such as AF 32® eco to achieve optimum performance. The ability of AF 32® eco to maximize optical transmission quality also makes it ideal for projectors, Near-To-Eye (NTE) devices, head-up and head-mounted displays, and electronic viewfinders, as well as augmented and virtual reality systems.

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Whether you need more information, samples, a quote, or advice for a project, we would be delighted to talk to you.

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