Core Viewpoint - The company, 帝科股份, has disclosed that its subsidiary, 浙江索特材料科技有限公司, has initiated a lawsuit for patent infringement against 浙江光达电子科技有限公司, with the case amounting to 200 million yuan [1] Group 1: Lawsuit Details - The lawsuit has been accepted by the court, but the hearing has not yet taken place [1] - 浙江索特 is the plaintiff, while 浙江光达电子科技有限公司 is the defendant [1] - The patent in question pertains to "thick film pastes containing lead-tellurium-lithium-titanium-oxide and their use in manufacturing semiconductor devices," and the patent remains valid [1] Group 2: Patent Rights and Allegations - 浙江索特 holds the usage and litigation rights for the patent through a licensing agreement with the patent owner [1] - The defendant is accused of manufacturing, selling, and promising to sell photovoltaic conductive silver paste products that fall within the scope of the patented claims without permission [1] - This alleged infringement is said to severely violate the legal rights of 浙江索特 [1]

Core Viewpoint - Wuxi Dike Electronic Materials Co., Ltd. announced a lawsuit filed by its subsidiary Zhejiang Sote Materials Technology Co., Ltd. against Zhejiang Guangda Electronic Technology Co., Ltd. for patent infringement, with a total claim amount of 200 million yuan [1][2]. Group 1: Lawsuit Details - The lawsuit involves a patent infringement dispute concerning photovoltaic conductive silver paste products, with Zhejiang Sote as the plaintiff and Zhejiang Guangda as the defendant [1][2]. - Zhejiang Sote is the holder of a valid invention patent related to thick film pastes used in semiconductor devices, which it obtained through licensing from the patent owner [2]. - The lawsuit requests the defendant to cease the manufacture and sale of the infringing products, destroy related manufacturing equipment, and compensate for economic losses and legal fees totaling 200 million yuan [1][2]. Group 2: Financial Implications - As of the announcement date, the case has been accepted by the court but has not yet been heard, leading to uncertainty regarding its impact on the company's current and future profits [2]. - Since the last disclosure, the company and its subsidiaries have reported an additional litigation amount of approximately 1.7214 million yuan, excluding the current lawsuit [2].

Core Viewpoint - The company has successfully completed the acquisition of 62.5% equity in Jiangsu Jingkai Semiconductor Technology Co., Ltd. and has obtained the business license issued by the Xuzhou Economic and Technological Development Zone Administrative Approval Bureau [1] Group 1: Acquisition Details - The registered capital of Jiangsu Jingkai is 125 million yuan, and the company was established on November 16, 2020 [1] - The legal representative of Jiangsu Jingkai is Wang Haoyan, and its registered address is in the Xuzhou Economic and Technological Development Zone, Phoenix Bay Electronic Information Industry Park, D1 Factory [1] Group 2: Business Scope - Jiangsu Jingkai's business scope includes technology import and export, goods import and export, manufacturing and sales of semiconductor device special equipment, and manufacturing and sales of integrated circuit chips and products [1]

证券代码：300842 证券简称：帝科股份 公告编号：2025-074 4. 对上市公司损益产生的影响：本次诉讼尚未开庭审理，对公司本期利润或 期后利润的影响具有不确定性，实际影响以法院判决为准。 无锡帝科电子材料股份有限公司 关于子公司重大诉讼事项的公告 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，没有虚假 记载、误导性陈述或重大遗漏。 敬请广大投资者谨慎决策，注意投资风险。 一、本次重大诉讼事项受理的基本情况 重要内容提示： 1. 案件所处的诉讼阶段：浙江省高级人民法院已受理，尚未开庭审理。 2. 上市公司所处的当事人地位：无锡帝科电子材料股份有限公司（以下简称 "公司"）的控股子公司浙江索特材料科技有限公司为原告。 3. 涉案金额：本次诉讼案件暂合计为人民币200,000,000元。 近日，公司获悉子公司浙江索特材料科技有限公司因侵害发明专利权纠纷向 法院提起诉讼并获受理（案号：（2025）浙知民初 3 号）。截至本公告披露日， 该案件尚未开庭。 二、有关本案的基本情况 1. 诉讼案件各方当事人 原告：浙江索特材料科技有限公司 被告：浙江光达电子科技有限公司 受理机构：浙江省高级人民法院 ...

证券代码：300842 证券简称：帝科股份 公告编号：2025-075 无锡帝科电子材料股份有限公司 关于收购江苏晶凯半导体技术有限公司 62.5%股权的进展公告 本公司及董事会全体成员保证信息披露内容的真实、准确、完整，没有虚假 记载、误导性陈述或重大遗漏。 一、 本次交易概述 无锡帝科电子材料股份有限公司（以下简称"公司"）于 2025 年 10 月 14 日召开第三届董事会第十三次会议、第三届监事会第十五次会议，审议通过《关 于收购江苏晶凯半导体技术有限公司 62.5%股权的议案》，同意公司以人民币 3 亿元收购江苏晶凯半导体技术有限公司（以下简称"江苏晶凯"）62.5%的股权。 本次交易完成后，江苏晶凯将成为公司的控股子公司，纳入公司合并报表范围。 具体内容详见公司于 2025 年 10 月 14 日披露于巨潮资讯网的《关于收购江苏晶 凯半导体技术有限公司 62.5%股权的公告》（2025-061）。 类型：有限责任公司 法定代表人：王浩酽 注册资本：12500 万元整 成立日期：2020 年 11 月 16 日 住所：徐州经济技术开发区凤凰湾电子信息产业园 D1 厂房 经营范围：许可项目：技术进出口 ...

证券代码：300842 证券简称：帝科股份 公告编号：2025-072 无锡帝科电子材料股份有限公司 关于 2021 年限制性股票激励计划限制性股票 第四个归属期归属结果暨股份上市公告 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，没有虚假 记载、误导性陈述或重大遗漏。 重要内容提示： 1. 本次限制性股票的归属日为 2025 年 11 月 6 日； 3. 本次归属限制性股票的人数：1 人； 4. 本次归属的限制性股票上市流通日为 2025 年 11 月 6 日，本次归属的限制 性股票不另设限售期。 无锡帝科电子材料股份有限公司（以下简称"公司"）于 2025 年 10 月 14 日召开第三届董事会第十三次会议、第三届监事会第十五次会议，审议通过了《关 于公司 2021 年限制性股票激励计划限制性股票第四个归属期归属条件成就的议 案》，近日，公司已办理完成了 2021 年限制性股票激励计划（以下简称"本次 激励计划"）限制性股票的第四个归属期股份归属登记工作，现将有关情况公告 如下： 一、本次激励计划实施情况概要 （一）本次激励计划简述 公司于 2021 年 3 月 26 日召开的第一届董事会第二 ...

证券代码：300842 证券简称：帝科股份 公告编号：2025-073 无锡帝科电子材料股份有限公司 关于 2024 年限制性股票激励计划限制性股票 第一个归属期归属结果暨股份上市公告 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，没有虚假 记载、误导性陈述或重大遗漏。 重要内容提示： 1. 本次限制性股票的归属日为 2025 年 11 月 6 日； 2. 本次归属的限制性股票数量：347.5325万股，占归属前公司总股本的2.45%； 3. 本次归属限制性股票的人数：26 人； 4. 本次归属的限制性股票上市流通日为 2025 年 11 月 6 日，本次归属的限制 性股票不另设限售期。 本次激励计划拟授予激励对象的限制性股票数量为 695.0650 万股，占本次 激励计划草案公布日公司股本总额 14,070.00 万股的 4.94%。本次授予为一次性 授予，无预留权益。 4. 激励对象的范围 本次激励计划涉及的激励对象共计 26 人，包括公司公告本次激励计划时在 公司（含子公司，下同）任职的董事、高级管理人员、董事会认为应当激励的其 他员工，不包括帝科股份独立董事、监事、单独或合计持有公司 5% ...

Group 1 - The core point of the news is that Dike Co., Ltd. experienced a 5.01% drop in stock price, closing at 61.00 CNY per share, with a trading volume of 237 million CNY and a turnover rate of 3.03%, resulting in a total market capitalization of 8.648 billion CNY [1] - Dike Co., Ltd. is located in Yixing City, Jiangsu Province, and was established on July 15, 2010, with its IPO on June 18, 2020. The company specializes in the research, production, and sales of high-performance electronic materials [1] - The main revenue composition of Dike Co., Ltd. includes photovoltaic conductive paste at 74.86%, material sales at 21.31%, storage chips at 2.26%, other at 1.43%, and semiconductor packaging paste at 0.14% [1] Group 2 - From the perspective of fund holdings, one fund under Dongcai Fund has a significant position in Dike Co., Ltd. The Dongcai Value Start Mixed Fund A (018096) held 10,000 shares in the third quarter, accounting for 4.85% of the fund's net value, making it the fourth-largest holding [2] - The Dongcai Value Start Mixed Fund A (018096) was established on March 30, 2023, with a latest scale of 9.0399 million CNY. Year-to-date, it has incurred a loss of 4.42%, ranking 8108 out of 8150 in its category; over the past year, it has lost 11.88%, ranking 8018 out of 8043; and since inception, it has lost 16.56% [2] - The fund manager of Dongcai Value Start Mixed Fund A (018096) is Luo Shen, who has been in the position for 266 days, with total fund assets of 41.6642 million CNY. The best fund return during his tenure is 10.74%, while the worst return is -12.27% [2]

Group 1 - The photovoltaic equipment sector experienced a decline in the afternoon trading session on November 4, with notable drops in stock prices [1] - Hongyuan Green Energy fell over 7%, while Sunshine Power dropped more than 5% [1] - Other companies such as Dike Co., High Measurement Co., and Tongwei Co. also saw declines in their stock prices [1]

Core Viewpoint - The photovoltaic equipment sector experienced a decline in the afternoon trading session, with several companies showing significant drops in their stock prices [1] Company Performance - Hongyuan Green Energy saw a decline of over 7% [1] - Sunshine Power dropped by more than 5% [1] - Other companies such as Dike Co., High Measurement Co., and Tongwei Co. also experienced declines in their stock prices [1]