Table 1.

List of the current schemes of ultrasound action. In this table, only the basic setting is listed; for detailed configurations and process parameters, please refer to the source.

Vibration Point/Region	Direction	Indirect/Direct	Reference
Gate	Vertical	Direct	[18,48]
Middle of mold insert	Vertical	Indirect	[45,49]
		Direct	[31,38,46]
Integrated with mold	Parallel	Indirect	[40,43,50]
Whole of the mold	Vertical	Direct	[51]