Patent ID: 9520307
Filing Date: 2016-12-13
CPC Classification: B05B,B81C,G02B,H01L

Claim Text:
1. A method of hermetically sealing devices, comprising: fabricating a plurality of devices on a device substrate; placing a packaging substrate below the device; attaching bonding wires from each device to bond pads; placing a cover above each device to form a plurality of packaged devices; spraying a sealant using a nozzle comprising multiple orifices on a sidewall of the nozzle and an enclosed distal end, onto each packaged device; curing the sprayed sealant; and fracturing the device and packaging substrates to singulate the plurality of packaged devices; wherein the spraying step comprises dispensing the sealant into a permeable material on the sidewall of the nozzle and performing a wiping action with the permeable material.