DeepH 软件许可协议
许可方： 清华大学物理系DeepH团队
地址： 中国北京市海淀区清华大学物理楼，100084
邮箱： deeph-pack@outlook.com
主页： http://www.deeph-pack.com
第一条 定义与背景
1.1 许可方：指清华大学物理系DeepH团队。
1.2 软件：指本协议所指的"DeepH软件包"，包括其所有源代码、可执行代码、文档、脚本、示例及相关辅助材料。许可方拥有该软件完整的著作权及相关知识产权（中国国家版权局登记号：2021SR1150981，2023SR0490773）。
1.3 DeepH方法：指一种用于高效、精确预测材料电子结构密度泛函哈密顿量的深度学习方法。该软件仅供本协议许可之用途。
第二条 许可授予
2.1许可方特此授予被许可方一项非独占、不可转让、不可分许可的免费使用许可，仅限于被许可方个人及其直接领导的研究团队（以下简称"许可团队"）内部，为非商业性的学术研究目的而使用本软件。
2.2 被许可方通过签署本协议，即表明其已阅读、理解并无条件同意接受本协议全部条款与条件的约束。
第三条 被许可方义务与限制
被许可方在此同意并承诺遵守以下条款：
3.1 所有权保留：软件及其任何副本的全部所有权、知识产权及所有相关权利始终归许可方独家所有。被许可方须确保保留软件上所有的版权标识及声明。
3.2 禁止分发：未经许可方事先书面同意，被许可方不得以任何形式、任何理由将软件或其任何部分提供给协议许可团队之外的任何第三方。收到任何获取软件的请求，均应转交许可方处理。
3.3 内部使用与管理责任：被许可方仅可为自身及许可团队的研究工作使用软件，并有责任确保其团队中每一位实际使用者均已阅读并接受本协议条款的约束。
3.4 离职义务：当被许可方离开当前所属机构或团队时，必须销毁其持有的所有软件副本，除非其团队成员中已有其他用户获得许可方批准并签署了本协议。
3.5 禁止合并：未经许可方书面明确授权，不得将软件的任何部分整合或并入其他软件项目中。
3.6 无维护担保：许可方按意愿为软件提供维护、技术支持或更新，但不承担因使用软件而产生的任何相关费用。
3.7 许可终止：许可方有权随时单方面终止本许可。终止后，被许可方须按许可方要求提供书面证明，证实已销毁或归还所有软件副本。
3.8 非商业用途：本许可仅限于非营利性学术研究。严禁将软件用于任何商业目的。
本人确认已仔细阅读、完全理解并同意接受上述全部条款与条件的约束。
DeepH Software License Agreement
Licensor: The DeepH Team, Department of Physics, Tsinghua University
Address: Physics Building, Tsinghua University, Haidian District, Beijing 100084, China
Email: deeph-pack@outlook.com
Homepage: http://www.deeph-pack.com
Article 1: Definitions and Background
1.1 Licensor: Refers to the The DeepH Team, Department of Physics, Tsinghua University.
1.2 Software: Refers to the "DeepH software package" as defined in this Agreement, including all its source code, executable code, documentation, scripts, examples, and related auxiliary materials. The Licensor owns the complete copyright and related intellectual property rights to this Software (National Copyright Administration of China Registration Numbers: 2021SR1150981, 2023SR0490773).
1.3 DeepH Method: Refers to a deep learning method for efficiently and accurately predicting the density functional Hamiltonian for material electronic structures. This Software is provided solely for the purposes licensed under this Agreement.
Article 2: Grant of License
2.1 The Licensor hereby grants the Licensee a non-exclusive, non-transferable, non-sublicensable, royalty-free license to use the Software internally within the Licensee's personal capacity and the research team directly led by the Licensee (hereinafter referred to as the "Licensed Team"), solely for non-commercial academic research purposes.
2.2 By signing this Agreement, the Licensee indicates that they have read, understood, and unconditionally agreed to be bound by all the terms and conditions of this Agreement.
Article 3: Licensee's Obligations and Restrictions
The Licensee hereby agrees and undertakes to comply with the following terms:
3.1 Retention of Ownership: All ownership, intellectual property rights, and all related rights to the Software and any copies thereof shall remain the exclusive property of the Licensor. The Licensee must ensure that all copyright notices and statements on the Software are retained.
3.2 Prohibition on Distribution: Without the prior written consent of the Licensor, the Licensee shall not provide the Software or any part thereof to any third party outside the Licensed Team for any reason or in any form. Any requests to obtain the Software shall be forwarded to the Licensor.
3.3 Internal Use and Management Responsibility: The Licensee may use the Software only for their own research work and that of the Licensed Team. The Licensee is responsible for ensuring that every individual user within their team has read and agreed to be bound by the terms of this Agreement.
3.4 Obligation upon Departure: When the Licensee leaves their current institution or team, they must destroy all copies of the Software in their possession, unless another member of their team has obtained approval from the Licensor and signed this Agreement.
3.5 Prohibition on Integration/Merger: Without the explicit written authorization of the Licensor, the Licensee shall not integrate or merge any part of the Software into other software projects.
3.6 No Maintenance Warranty: The Licensor may provide maintenance, technical support, or updates for the Software at its discretion but is not obligated to bear any associated costs arising from the use of the Software.
3.7 Termination of License: The Licensor reserves the right to unilaterally terminate this License at any time. Upon termination, the Licensee must provide written proof as required by the Licensor to confirm the destruction or return of all copies of the Software.
3.8 Non-Commercial Use: This License is granted solely for non-profit academic research. Any use of the Software for commercial purposes is strictly prohibited.
I confirm that I have carefully read, fully understood, and agree to be bound by all the above terms and conditions.