Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Gas Chromatography: Overview of Detectors

Gas Chromatography: Overview of Detectors

Detectors in gas chromatography (GC) help identify and quantify the components of a mixture by translating chemical properties into measurable signals, which are displayed on a chromatogram. Detectors can be categorized into two main types: destructive and non-destructive.
A non-destructive detector allows a sample to be analyzed without altering or consuming it, meaning the sample can be collected after detection for further analysis. Examples include thermal conductivity detectors and...

Electronic Distance Measuring Instruments

Electronic Distance Measuring Instruments

Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over short distances...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Exploring Dentists' Views on Professionalism and Identity Formation: A Template Analysis Study.

JDR clinical and translational research·2026

Same author

Identifying predictive markers of head and neck squamous cell carcinoma in an umbrella trial (KCSG HN 15-16 TRIUMPH trial).

ESMO open·2025

Same author

New <i>Mucorales</i> from opposite ends of the world.

Studies in mycology·2024

Same author

Perioperative outcomes of laparoscopic low anterior resection using ArtiSential<sup>®</sup> versus robotic approach in patients with rectal cancer: a propensity score matching analysis.

Techniques in coloproctology·2024

Same author

Hepatobiliary and Pancreatic: Challenges in the diagnosis of hepatic nodules in patients with alcoholic liver cirrhosis.

Journal of gastroenterology and hepatology·2023

Same author

Risk factors for hospital-acquired infection during the SARS-CoV-2 pandemic.

The Journal of hospital infection·2022

Same journal

Multifunctional reconfigurable terahertz metasurface based on vanadium dioxide phase transition: achieving broadband absorption and efficient polarization conversion.

Applied optics·2026

Same journal

High-Q-factor electromagnetically induced transparency utilizing quasi-bound states in the continuum in an all-dielectric terahertz metasurface.

Applied optics·2026

Same journal

Automated stitching interferometry for high-precision metrology of X-ray mirrors.

Applied optics·2026

Same journal

Experimental demonstration of an approach to designing a metal-dielectric DBR resonant cavity structure.

Applied optics·2026

Same journal

High-precision wavefront reconstruction from a single-shot interferogram using a physics-driven hybrid feature calibration network.

Applied optics·2026

Same journal

Ultra-high-Q Fano resonance based on coupled topological corner states in Kagome photonic crystals.

Applied optics·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Jul 6, 2026

A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings

A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings

Published on: September 30, 2019

Gap measurement by position-sensitive detectors.

J K Kim¹, M S Kim, J H Bae

¹Department of Physics, Yeungnam University, Gyongsan 712-749, Korea.

|March 18, 2008

Summary

This summary is machine-generated.

This study introduces a new system for measuring plasma display panel (PDP) gaps using position-sensitive detectors (PSDs). The technology offers high-resolution gap measurement with simple, fast signal processing for improved manufacturing accuracy.

More Related Videos

Picometer-Precision Atomic Position Tracking through Electron Microscopy

Picometer-Precision Atomic Position Tracking through Electron Microscopy

Published on: July 3, 2021

Measurement of X-ray Beam Coherence along Multiple Directions Using 2-D Checkerboard Phase Grating

Measurement of X-ray Beam Coherence along Multiple Directions Using 2-D Checkerboard Phase Grating

Published on: October 11, 2016

Related Experiment Videos

Last Updated: Jul 6, 2026

A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings

A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings

Published on: September 30, 2019

Picometer-Precision Atomic Position Tracking through Electron Microscopy

Picometer-Precision Atomic Position Tracking through Electron Microscopy

Published on: July 3, 2021

Measurement of X-ray Beam Coherence along Multiple Directions Using 2-D Checkerboard Phase Grating

Measurement of X-ray Beam Coherence along Multiple Directions Using 2-D Checkerboard Phase Grating

Published on: October 11, 2016

Area of Science:

Optoelectronics
Metrology
Semiconductor Manufacturing

Background:

Accurate gap measurement is critical for optimizing plasma display panel (PDP) performance.
Existing measurement systems may lack the required resolution or speed for advanced manufacturing processes.

Purpose of the Study:

To develop a novel, high-resolution system for measuring the gap in proximity exposure tools for PDPs.
To leverage position-sensitive detectors (PSDs) for efficient and accurate gap metrology.

Main Methods:

Utilized single or dual position-sensitive detectors (PSDs) to measure gap distances.
Employed a reference beam reflected from the upper gap surface and a signal beam from the lower surface.
Incorporated a charge-coupled-device sensor for monitoring beams and the measurement region.

Main Results:

Achieved a gap distance resolution of 0.5 micrometers (µm).
Demonstrated a measurement capture range of 500 micrometers (µm).
Developed a simple and fast signal processing method using analogous PSDs.

Conclusions:

The developed PSD-based system offers precise and efficient gap measurement for PDP manufacturing.
The system's high resolution and fast processing simplify and enhance the metrology process.
This technology contributes to improved quality control and performance in plasma display panel production.