1. Semiconductor Wafer Detection in Cassettes
In cleanroom automated material handling systems, detecting the presence or protrusion of thin semiconductor wafers requires precision within highly confined spaces. The E3T-ST21 easily fits into narrow robotic end-effectors or cassette racks due to its ultra-compact 7mm width. Its 2mm minimum target detection handles standard wafer edges reliably, and the 1ms response ensures high-throughput scanning during robot axis movements.
Problem SolvedPrevents robotic collisions by reliably detecting wafer placement errors in microscopic clearances where standard-sized optical sensors cannot fit.
Semiconductor HandlerWafer ProtrusionM2 Mounting1ms Response TimeThrough-beam Sensing
2. High-Speed Component Counting in Packaging
For automated blister packaging or parts counting machinery, verifying the drop of small components ensures accurate fill volumes. The 1ms response time matches the speed of high-throughput dropping mechanisms, while the 300mm range allows the emitter and receiver to straddle wider conveyor or sorting chute zones without signal loss.
Problem SolvedEliminates under-packing errors and missed counts caused by fast-moving parts falling through wide sorting chutes undetected.
Blister PackagingParts CountingNPN Open Collector300mm RangeOpaque Object Detection
3. Micro-part Verification in Medical Device Assembly
Automated assembly lines for medical syringes or catheters require the detection of tiny sub-components before sealing. With its 650nm red LED providing clear visible alignment and the ability to detect 2mm opaque objects, this sensor guarantees components are seated. Its IP67 rating additionally protects against the washdown or sanitization processes common in sterilized machine environments.
Problem SolvedRejects misassembled medical products prior to final packaging, ensuring critical quality control in wet or sterilized assembly cells.
Medical Assembly LineIP67 WashdownVisible Red LEDThermoplastic Housing2mm Minimum Target
