NASA | Goddard's Detector Technology

The video tutorial explains the role of Landsat in monitoring Earth's health and the technology behind its detectors. It covers the spectrum of light, detector design, and the processes involved in creating high-end detectors at NASA's Detector Development Lab. The tutorial details lithography, etching, and deposition techniques, and the final assembly of detectors. It highlights NASA's support for various missions and its cutting-edge capabilities in scientific discovery.

What is the primary function of the Landsat program?

• To develop new technologies

• To study marine life

• To explore outer space

• To monitor the planet's health

What is the main purpose of a detector in the context of light wavelengths?

• To reflect light

• To absorb energy and convert it into an electrical signal

• To magnify light

• To change the color of light

Which process in the Detector Development Lab involves using a photosensitive polymer?

• Deposition

• Etching

• Lithography

• Packaging

What is the role of the deep reactive ion etcher in the etching process?

• To apply photoresist

• To etch silicon with high aspect ratios

• To clean the substrate

• To deposit materials

During deposition, what types of materials can be added to the detector substrate?

• A range from dielectrics to superconductors

• Only insulators

• Only semiconductors

• Only metals

What is the final step in preparing the detector subsystem for integration?

• Designing the detector

• Testing the detector

• Bonding the detector and ROIC to fixtures and PC boards

• Developing the photoresist

Which of the following missions is supported by the Detector Development Lab?

• Hubble Space Telescope

• Astro Swift

• Mars Rover

• Voyager