Patent ID: 8840730

Claim:
A method for manufacturing a hard disk drive (HDD), the method comprising: cleaning a head-disk assembly (HDA) of the HDD including sealing the HDA between an upper portion and a lower portion of an HDA nest, receiving gas at an inlet port coupled to the HDA nest, exhausting the gas from an exhaust port coupled to the HDA nest to cause the gas to circulate through the HDA, and delivering mechanical shocks to the HDA nest and the HDA while the gas is circulating; sealing the HDA with a cover plate; and cleaning a screw hole of the HDA including: inserting a screw hole vacuum into a screw hole of the HDA, the screw hole vacuum comprising a housing, a blow tube coupled to a source of gas, and a vacuum tube coupled to a vacuum inducing source, wherein the vacuum tube is substantially concentric with the blow tube, the vacuum tube is configured to retract into the housing, and the blow tube is configured to extend into the screw hole; engaging the screw hole with the vacuum tube; retracting the vacuum tube into the housing; extending the blow tube into the screw hole; delivering gas to the screw hole; and removing gas and entrained particles from the screw hole.