TDK Develops “World's Smallest” Thin-Film Band-Pass Filter for Mobile Devices 7/10/2008

TDK Corporation has developed a 1005-size thin-film band-pass filter that is just 0.3 mm thick, said to be the world's smallest filter of its kind. TDK applied the thin-film technologies it developed through the manufacture of HDD magnetic heads, which are among TDK's leading products, to create a filter that is substantially low-profile and smaller than earlier 2012-sized products with just one-twelfth the volume. In the past several years, mobile phones and other mobile communications devices have become increasingly advanced as they adopt functions, ...