Title : Apple FaceID Componets Reverse Engineered
link : Apple FaceID Componets Reverse Engineered
Apple FaceID Componets Reverse Engineered
SystemPlus publishes reverse enginering reports on iPhone X ToF Proximity Sensor & Flood Illuminator by ST and IR Dot Projector with folded optics."Located in the front above the main speaker, the proximity sensor/flood illuminator is packaged using optical LGA. The device is unique to Apple. In the past, STMicroelectronics released a custom proximity sensor two times smaller (2.80 x 2.40 mm) than the devices in its portfolio, based on FlightSense technology. This new version comes with a flood illuminator used in the True Depth system. The flood illuminator is an NIR VCSEL with a wide beam that illuminates the face and allows for nighttime user recognition with the NIR camera. The packaging is specially designed for the flood illuminator’s heat management."
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| ST Proximity Sensor |
The structured light dot projector features 4 innovations:
- Its packaging exploits a novel thermal management approach with ceramic substrate inserted
- Its NIR VCSEL diode has a dedicated light emission profile driven by a Broadcom integrated circuit
- A folded optical path using wafer level optic
- Its active diffractive optical element (DOE)
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