A nitride semiconductor laser device using a group III nitride semiconductor also as a substrate offers excellent operation characteristics and a long laser oscillation life. The combination cooking system includes a gas burner in the form of a ring element having a central portion within which is positioned a convection fan. A time domain channel response is determined from the estimated uplink channel. A production reticle is made from the modified design. A method for automatically dip coating a substrate with a superconducting material is also disclosed.