Quarterly report pursuant to Section 13 or 15(d)

Segment Reporting and Geographic Information - Additional Information (Details)

v3.19.3
Segment Reporting and Geographic Information - Additional Information (Details)
3 Months Ended
Sep. 30, 2019
customer
segment
Sep. 30, 2018
customer
Jun. 30, 2019
customer
Segment Reporting and Geographic Information
Number of reportable segments 4
Number of customers with significant revenue | customer 2 2
段t的百分比otal revenues 100.00% 100.00%
Number of customers with significant accounts receivable | customer 1 1
Customer One
Segment Reporting and Geographic Information
段t的百分比otal revenues 17.00% 15.00%
Customer Two
Segment Reporting and Geographic Information
段t的百分比otal revenues 12.00% 10.00%
半导体工艺控制
Segment Reporting and Geographic Information
Number of operating segments 2
Specialty Semiconductor Process
Segment Reporting and Geographic Information
Number of operating segments 1
PCB, Display and Component Inspection
Segment Reporting and Geographic Information
Number of operating segments 2
Other
Segment Reporting and Geographic Information
Number of operating segments 1
Baidu