Patent Number: 6,167,739

Title: Filter and a method for manufacturing a filter

Abstract: The invention relates to a filter and a method for manufacturing a filter. The filter comprises a shell construction with a wall construction and a bottom portion, which form at least one section in the shell construction. The filter further comprises at least one resonator within a section of the shell construction. At least the bottom portion of the shell construction and one or more resonators, or at least the part thereof close to the bottom portion of the shell construction, are an integral unit extruded from the same basic block in one piece.

Inventors: Sipila; Juha Petri (Kempele, FI)

Assignee: ADC Solitra Oy

International Classification: H01P 11/00 (20060101); H01P 1/20 (20060101); H01P 1/205 (20060101); B21C 023/18 ()

Expiration Date: 01/02/2018