Patent ID: 7598156

Claim:
A method of manufacturing a device, comprising: an adhesive film attaching step of attaching an adhesive film to a back-side surface of a wafer in which devices are formed respectively in a plurality of regions demarcated by planned dividing lines formed in a grid pattern in a face-side surface of said wafer; a wafer supporting step of adhering the adhesive film side of said wafer with said adhesive film attached thereto to a surface of a dicing tape attached to an annular frame; a wafer cutting step of holding the dicing tape side of said wafer adhered to said surface of said dicing tape onto a chuck table of a cutting apparatus, and cutting said wafer along said planned dividing lines by use of a cutting blade having an annular knife edge which is V-shaped in sectional shape of a peripheral part thereof; and an adhesive film breaking step of breaking said adhesive film along cutting grooves formed in said wafer, by expanding said dicing tape so as to exert tension on said adhesive film, after said wafer cutting step is performed.