Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
ICR and the average value of the proposed laser ultrasound method and conventional water immersion ultrasound method.
| Device Type | Experimental Method | Normal Part (mV) | Cracked Part (mV) | Image Contrast Ratio |
|---|---|---|---|---|
| Resistor | Laser ultrasonic | 9.67 | 2.79 | 3.46 |
| Water immersion ultrasonic | 8.50 | 6.48 | 1.31 | |
| Capacitor | Laser ultrasonic | 2.80 | 1.00 | 2.80 |
| Water immersion ultrasonic | 9.74 | 8.19 | 1.19 |
