CN210109377U - 一种高温耐油大数值孔径光纤 - Google Patents
一种高温耐油大数值孔径光纤 Download PDFInfo
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CN110426778A (zh) * | 2019-07-23 | 2019-11-08 | 西安和其光电科技股份有限公司 | 一种高温耐油大数值孔径光纤及其制备方法 |
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CN110426778A (zh) * | 2019-07-23 | 2019-11-08 | 西安和其光电科技股份有限公司 | 一种高温耐油大数值孔径光纤及其制备方法 |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High-temperature oil-proof high numerical aperture optical fiber and preparation method thereof Effective date of registration: 20200416 Granted publication date: 20200221 Pledgee: Xi'an Science and Technology Financial Service Center Co., Ltd. Pledgor: XI'AN HEQI OPTO-ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2020610000039 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210511 Granted publication date: 20200221 Pledgee: Xi'an Science and Technology Financial Service Center Co.,Ltd. Pledgor: XI'AN HEQI OPTO-ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2020610000039 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high temperature oil resistant large numerical aperture optical fiber Effective date of registration: 20210514 Granted publication date: 20200221 Pledgee: Xi'an Science and Technology Financial Service Center Co.,Ltd. Pledgor: XI'AN HEQI OPTO-ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2021980003649 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220620 Granted publication date: 20200221 Pledgee: Xi'an Science and Technology Financial Service Center Co.,Ltd. Pledgor: XI'AN HEQI OPTO-ELECTRONIC TECHNOLOGY CO.,LTD. Registration number: Y2021980003649 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |