本文由www.kuantianxia.com整理提供

IPC 7352-2024【中文版翻译+PDF原版】

7月16日，界面新闻根据Wind数据统计，截至目前，已有73家涉房企业（参考标准为CSRC房地产业）发布了2024年中期业绩预告或业绩快报。其中，有46家房企预计上半年出现亏损，27家房企预计将实现盈利，即出现亏损的房企数占总数的比例约为63%。

截至7月16日记者发稿时，共有16家上市券商发布了2024年半年报的业绩预告或快报。其中，6家预喜，首创证券（601136）、红塔证券（601236）、东兴证券（601198）、华安证券（600909）和国元证券（000728）预计上半年均实现正增长；锦龙股份（000712）则是亏损幅度收窄，上半年预告净利润同比最低将增长52%。

Generic Guideline for Land Pattern Design

STANDARD by Association Connecting Electronics Industries, 05/01/2023.

LANGUAGES: English+Chinese【英文原文+中文翻译】

Description：

This document provides generic guidelines on land pattern geometries used for the attachment of electronic components to a printed board, as well as design recommendations for achieving the best possible solder joints to the devices assembled.

Adjustments to the information in this guideline may be required to meet company and/or board technology requirements. It is recommended that a company should document the modifications to the IPC-7352 content in corporate command media documentation.

A land pattern is the representation of the area and features on a printed board needed for a component to be placed and attached to the printed board during an assembly process. The land pattern is usually built using ECAD Library tools.股票配资炒股开户

asforlandisboard发布于：山东省声明：该文观点仅代表作者本人，搜狐号系信息发布平台，搜狐仅提供信息存储空间服务。