ColumX Software License Agreement

Copyright (c) 2024-2026 Shuimu Scientific
All Rights Reserved.

IMPORTANT: READ CAREFULLY BEFORE USING THIS SOFTWARE.

This Software License Agreement ("Agreement") is a legal agreement between you
("User") and Shuimu Scientific ("Licensor") regarding the use of
ColumX electron optics simulation platform ("Software").

1. LICENSE GRANT

   1.1 Community Edition: The Community Edition of this Software is made
   available under the GNU General Public License version 3 (GPL v3).
   You may use, modify, and distribute the Community Edition under the
   terms of GPL v3, a copy of which is available at
   https://www.gnu.org/licenses/gpl-3.0.html

   1.2 Professional/Enterprise Edition: Use of the Professional or
   Enterprise editions requires a valid commercial license purchased from
   the Licensor. Such licenses are governed by separate written agreements.

2. PATENT NOTICE

   This Software embodies patent-pending inventions. The Licensor has filed
   or intends to file patent applications covering certain algorithms and
   methods implemented in this Software, including but not limited to:

   (a) Adaptive-power hybrid Seidel/Glaser magnetic lens aberration
       calculation method and system;
   (b) Kirkland scattering factor based multi-crystal projected potential
       fast computation method and system;
   (c) Conrady paraxial propagation based multi-lens cascade aberration
       transfer calculation method and system.

   No license, express or implied, to any patent rights is granted under
   this Agreement except as explicitly stated. The Licensor reserves all
   patent rights not expressly granted herein.

3. RESTRICTIONS

   3.1 You may NOT reverse engineer, decompile, or disassemble any part
   of the Software that is not distributed under GPL v3.

   3.2 You may NOT use the Professional or Enterprise editions without
   a valid commercial license.

   3.3 You may NOT remove or alter any copyright, patent, trademark,
   or other proprietary notices from the Software.

4. INTELLECTUAL PROPERTY

   The Software is protected by copyright laws, international copyright
   treaties, and patent laws. The Licensor retains all intellectual
   property rights in the Software, including all modifications and
   derivative works created by the Licensor.

5. DISCLAIMER OF WARRANTY

   THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND.
   THE LICENSOR DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
   BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
   PARTICULAR PURPOSE.

6. LIMITATION OF LIABILITY

   IN NO EVENT SHALL THE LICENSOR BE LIABLE FOR ANY INDIRECT, INCIDENTAL,
   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE
   OF THIS SOFTWARE.

7. TERMINATION

   This Agreement is effective until terminated. It will terminate
   automatically if you fail to comply with any term. Upon termination,
   you must destroy all copies of the Software.

8. GOVERNING LAW

   This Agreement shall be governed by the laws of the People's Republic
   of China. Any disputes shall be resolved through arbitration in Beijing.

For licensing inquiries, contact: contact@columx.com
