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

Glassware Calibration

Glassware Calibration

Accurate calibration of glassware, such as volumetric flasks, pipettes, and burettes, is essential to ensure accurate measurements in the analytical laboratory. Calibration helps maintain consistency across measurements and prevents errors arising from inaccurate volumes.
Volumetric flasks: Volumetric flasks are designed to prepare aqueous solutions of precise volumes accurately with a calibration line on the neck. To calibrate a volumetric flask, it is important to fill it with distilled...

You might also read

Related Articles

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

Sort by

Same author

Do games work? A meta-analytic synthesis of gamified learning for clinical reasoning in medical and allied health education.

Medical education online·2026

Same author

Angular-resolution-improved light field display architecture using polarization dependent deflection metasurface and polarization switching.

Optics express·2025

Same author

Health-related quality of life changes in nasopharyngeal cancer patients: a propensity score-matched comparison of intensity-modulated proton therapy and volumetric-modulated arc therapy.

Japanese journal of clinical oncology·2025

Same author

Mapping the use of extended reality (XR) in radiation oncology education: a scoping review protocol.

BMJ open·2025

Same author

Emerging trends in gamification for clinical reasoning education: a scoping review.

BMC medical education·2025

Same author

Enhancing collaborative clinical reasoning among multidisciplinary healthcare teams in a neurosurgery ICU: insights from video-reflexive ethnography.

BMC medical education·2025

Search research articles

Related Experiment Video

Updated: Jun 12, 2026

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light

Published on: September 20, 2017

Note: Simple hysteresis parameter inspector for camera module with liquid lens.

Po-Jui Chen¹, Tai-Shan Liao, Chi-Hung Hwang

¹Instrument Technology Research Center, National Applied Research Laboratories, 20, R&D Rd. VI, Hsinchu Science Park, Hsinchu 300, Taiwan. proray@itrc.org.tw

The Review of Scientific Instruments

|June 3, 2010

Summary

This summary is machine-generated.

This study presents a fast, 20-second method to inspect hysteresis in liquid lens camera modules. Image sharpness is used to evaluate hysteresis, ensuring quality control in mass production.

More Related Videos

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal

Published on: October 31, 2019

Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization

Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization

Published on: July 5, 2016

Related Experiment Videos

Last Updated: Jun 12, 2026

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light

Published on: September 20, 2017

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal

Published on: October 31, 2019

Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization

Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization

Published on: July 5, 2016

Area of Science:

Optics and Photonics
Materials Science
Manufacturing Engineering

Background:

Hysteresis in liquid lenses affects camera module performance and image quality.
Current methods for measuring lens hysteresis are time-consuming and not suitable for mass production.
Liquid lens technology offers advantages in autofocus and variable focal length applications.

Purpose of the Study:

To develop a rapid and integrated method for inspecting hysteresis in whole camera modules with liquid lenses.
To correlate image sharpness with liquid lens hysteresis.
To establish a quality assurance process for liquid lens camera module manufacturing.

Main Methods:

Utilizing image sharpness as a metric for hysteresis evaluation in camera modules.
Measuring the hysteresis profile of the entire camera module, not just the liquid lens.
Conducting experiments to validate the relationship between image sharpness and liquid lens contact angle.

Main Results:

The proposed method accurately measures camera module hysteresis in 20 seconds.
A direct correlation was found between image sharpness hysteresis and liquid lens contact angle characteristics.
The inspection method is suitable for integration into mass production lines.

Conclusions:

Image sharpness is a reliable indicator of liquid lens hysteresis in camera modules.
The developed method provides an efficient online quality assurance solution for liquid lens manufacturing.
This technique facilitates improved quality control and performance consistency in camera modules.