Fig. 16
From: Design and validation of A 30 ghz 8 × 8 slot antenna array with ridge waveguide pins/holes layers

Detailed design and various views of the corporate-fed 8 × 8 slot array antenna with pins/holes.
From: Design and validation of A 30 ghz 8 × 8 slot antenna array with ridge waveguide pins/holes layers
Detailed design and various views of the corporate-fed 8 × 8 slot array antenna with pins/holes.