On March 6 and 7, the 6th Millimeter/submillimeter Receiver Workshop was held at Osaka Prefecture University. More than 80 people participated in the workshop, including members of ALMA-J receiver development team of NAOJ Advanced Technology Center, and researchers and engineers from various universities. The picture shows Yoshinori Uzawa, associate professor, explaining the development progress of junctions for Band 10, the highest frequency band in ALMA.