Bulk Metal Foil Resistors.
A series of links around the subject of bulk metal foil resistors. The first 3 are particuly useful as they are app notes.
Please feel free to contact me if any of the links become broken.
http://www.analog.com/static/imported-files/application_notes/AN-940.pdf
http://www.vishaypg.com/foil-resistors/press/2010/102410zfoil/
http://www.vishaypg.com/foil-resistors/press/2010/100810hybridchip/
http://www.vishaypg.com/foil-resistors/press/2010/101025pcsresistor/
http://www.vishaypg.com/foil-resistors/press/2010/101025pcsresistor/