SPECTRAL FEATURE SELECTION AND PULSE TIMING CONTROL OF A PULSED LIGHT BEAM

    公开(公告)号:US20230040812A1

    公开(公告)日:2023-02-09

    申请号:US17971103

    申请日:2022-10-21

    申请人: Cymer, LLC

    摘要: A method includes driving, while producing a burst of pulses at a pulse repetition rate, a spectral feature adjuster among a set of discrete states at a frequency correlated with the pulse repetition rate; and in between the production of the bursts of pulses (while no pulses are being produced), driving the spectral feature adjuster according to a driving signal defined by a set of parameters. Each discrete state corresponds to a discrete value of a spectral feature. The method includes ensuring that the spectral feature adjuster is in one of the discrete states that corresponds to a discrete value of the spectral feature of the amplified light beam when a pulse in the next burst is produced by adjusting one or more of: an instruction to the lithography exposure apparatus, the driving signal to the spectral feature adjuster, and/or the instruction to the optical source.

    Spectral feature selection and pulse timing control of a pulsed light beam

    公开(公告)号:US11526083B2

    公开(公告)日:2022-12-13

    申请号:US16980467

    申请日:2019-03-01

    申请人: Cymer, LLC

    摘要: A method includes driving, while producing a burst of pulses at a pulse repetition rate, a spectral feature adjuster among a set of discrete states at a frequency correlated with the pulse repetition rate; and in between the production of the bursts of pulses (while no pulses are being produced), driving the spectral feature adjuster according to a driving signal defined by a set of parameters. Each discrete state corresponds to a discrete value of a spectral feature. The method includes ensuring that the spectral feature adjuster is in one of the discrete states that corresponds to a discrete value of the spectral feature of the amplified light beam when a pulse in the next burst is produced by adjusting one or more of: an instruction to the lithography exposure apparatus, the driving signal to the spectral feature adjuster, and/or the instruction to the optical source.

    SPECTRAL FEATURE SELECTION AND PULSE TIMING CONTROL OF A PULSED LIGHT BEAM

    公开(公告)号:US20210018846A1

    公开(公告)日:2021-01-21

    申请号:US16980467

    申请日:2019-03-01

    申请人: Cymer, LLC

    摘要: A method includes driving, while producing a burst of pulses at a pulse repetition rate, a spectral feature adjuster among a set of discrete states at a frequency correlated with the pulse repetition rate; and in between the production of the bursts of pulses (while no pulses are being produced), driving the spectral feature adjuster according to a driving signal defined by a set of parameters. Each discrete state corresponds to a discrete value of a spectral feature. The method includes ensuring that the spectral feature adjuster is in one of the discrete states that corresponds to a discrete value of the spectral feature of the amplified light beam when a pulse in the next burst is produced by adjusting one or more of: an instruction to the lithography exposure apparatus, the driving signal to the spectral feature adjuster, and/or the instruction to the optical source.