標準解讀

GB/T 44295-2024 是一項針對多層印制電路板（PCB）行業(yè)中使用的一種關鍵材料——環(huán)氧E玻纖布粘結片的國家標準。此標準詳細規(guī)定了此類粘結片的技術要求、試驗方法、檢驗規(guī)則以及標志、包裝、運輸和儲存要求，旨在確保產品性能的穩(wěn)定性和可靠性，促進該材料在電子制造領域的高質量應用。以下是標準內容的具體剖析：

范圍

明確了本標準適用于以環(huán)氧樹脂為基體，結合E型玻璃纖維布制成的粘結片，主要服務于多層印制板的層間粘接。

規(guī)范性引用文件

列出了實施本標準時所依據(jù)或參考的其他標準文獻，確保所有技術指標和測試方法的統(tǒng)一性和準確性。

術語和定義

對涉及的專業(yè)術語進行界定，幫助讀者準確理解標準中的各項要求和測試內容。

分類

根據(jù)產品的特性，如樹脂類型、玻纖布種類、固化條件等，將環(huán)氧E玻纖布粘結片進行了分類，便于用戶根據(jù)實際需求選擇合適的產品類型。

技術要求

詳細規(guī)定了產品應滿足的性能指標，包括但不限于：

  • 機械性能：如拉伸強度、剪切強度，確保粘結片能承受PCB加工及使用過程中的機械應力。
  • 電氣性能：如介電常數(shù)、介質損耗角正切值，影響電路信號傳輸?shù)馁|量和速度。
  • 熱性能：如熱變形溫度、耐熱性，保證在高溫環(huán)境下的穩(wěn)定性。
  • 化學與環(huán)境穩(wěn)定性：如耐溶劑性、吸水率，評估其抵抗環(huán)境因素影響的能力。

試驗方法

描述了如何通過具體實驗來驗證粘結片是否符合上述技術要求，包括樣品的制備、測試儀器、操作步驟及數(shù)據(jù)處理方法。

檢驗規(guī)則

規(guī)定了產品的抽樣方案、檢驗類別（如出廠檢驗、型式檢驗）、合格判定準則，確保產品質量控制的一致性和有效性。

標志、包裝、運輸和儲存

指導制造商如何正確標識產品信息，采用適宜的包裝材料和方式，以及在運輸和儲存過程中應注意的事項，以防產品受損或性能下降。


如需獲取更多詳盡信息，請直接參考下方經官方授權發(fā)布的權威標準文檔。

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文檔簡介

ICS31.180

CCSL30

中華人民共和國國家標準

GB/T44295—2024

多層印制板用環(huán)氧E玻纖布粘結片

EpoxidewovenE?glassprepregformultilayerprintedboards

［IEC61249?4?1：2008Materialsforprintedboardsandotherinterconnecting

structures—Part4?1：Sectionalspecificationsetforprepregmaterials，

unclad（forthemanufactureofmultilayerboards）—Epoxidewoven

E?glassprepregofdefinedflammability，MOD］

2024?08?23發(fā)布2024?12?01實施

國家市場監(jiān)督管理總局

國家標準化管理委員會發(fā)布

GB/T44295—2024

目次

前言··························································································································Ⅲ

1范圍·······················································································································1

2規(guī)范性引用文件········································································································1

3術語和定義··············································································································1

4材料和結構··············································································································1

5性能要求·················································································································2

6尺寸·······················································································································4

7質量保證·················································································································5

8包裝和標識··············································································································6

9儲存期····················································································································6

10訂單信息···············································································································6

附錄A（資料性）本文件與IEC61249?4?1：2008的結構編號對照一覽表···································7

附錄B（資料性）本文件與IEC61249?4?1：2008技術差異及其原因·········································9

附錄C（規(guī)范性）檢驗方法要求·····················································································11

附錄D（規(guī)范性）比例流動厚度試驗方法·········································································12

附錄E（規(guī)范性）熔融黏度試驗方法···············································································15

附錄F（規(guī)范性）差示掃描量熱法（DSC）測玻璃化溫度·······················································17

參考文獻····················································································································19

圖D.1層壓前比例流動厚度試樣···················································································13

圖D.2比例流動厚度試樣的測量點················································································13

圖E.1熔融黏度曲線圖示例··························································································16

圖F.1差示掃描量熱法（與玻璃轉變相關的特征轉變點）······················································18

表1垂直燃燒等級·······································································································4

表2儲存條件和儲存期·································································································6

表A.1本文件與IEC61249?4?1：2008的結構編號對照情況···················································7

表B.1本文件與IEC61249?4?1：2008技術差異及其原因·······················································9

表C.1檢驗方法要求··································································································11

表D.1不同厚度的E玻纖布疊合層數(shù)·············································································12

表E.1不同的旋轉速度以下的黏度值··············································································15

Ⅰ

GB/T44295—2024

前言

本文件按照GB/T1.1—2020《標準化工作導則第1部分：標準化文件的結構和起草規(guī)則》的規(guī)

定起草。

本文件修改采用IEC61249?4?1：2008《印制板及其他互連結構用材料第4?1部分：不覆銅的預浸

料分規(guī)范多層印制電路板用限定燃燒性環(huán)氧E玻纖布粘結片》。

本文件與IEC61249?4?1：2008相比，在結構上有較多調整，兩個文件之間的結構編號對照一覽表

見附錄A。

本文件與IEC61249?4?1：2008相比，存在較多技術差異，在所涉及的條款的外側頁邊空白位置用

垂直單線（|）進行了標識。這些技術差異及其原因一覽表見附錄B。

本文件做了下列編輯性改動：

——將IEC61249?4?1：2008的第3章和第5章中的懸置段，分別移至本文件的4.1和6.1中；

——刪除了第1章中錯誤邏輯的語句，并重新進行了表述；

——將第6章的標題由“交付狀態(tài)”改為“尺寸”，使標題與內容更貼切；

——由于IEC61249?4?1：2008的4.2.4引用的IEC61189?2的方法2M26沒有對應的國內同類標

準，為了使用方便，將引用的IEC61189?2的方法2M26內容轉化為附錄D（規(guī)范性）比例流動

厚度試驗方法；

——由于IEC61249?4?1：2008的4.2.5引用的IEC61189?2的方法2C09沒有對應的國內同類標

準，為了使用方便，將引用的IEC61189?2的方法2C09內容轉化為附錄E（規(guī)范性)熔融黏度

試驗方法。

請注意本文件的某些內容可能涉及專利。本文件的發(fā)布機構不承擔識別專利的責任。

本文件由中華人民共和國工業(yè)和信息化部提出。

本文件由全國印制電路標準化技術委員會（SAC/TC47）歸口。

本文件起草單位：陜西生益科技有限公司、中國電子技術標準化研究院、廣東生益科技股份有限公

司、浙江華正新材料股份有限公司、江蘇生益特種材料有限公司、蘇州生益科技有限公司、江西生益科

技有限公司、常熟生益科技有限公司。

本文件主要起草人：張記明、劉潔、劉申興、曹易、蔡建偉、譚育虎、何小玲、馬海魚、陳佳、王金瑞、

袁告、羅鵬輝、王雋、邢燕俠。

Ⅲ

GB/T44295—2024

多層印制板用環(huán)氧E玻纖布粘結片

1范圍

本文件規(guī)定了E玻纖布增強雙官能環(huán)氧粘結片（以下簡稱“粘結片”）的材料和結構、性能要求、尺

寸、質量保證及包裝和標識、儲存期、訂單信息。

本文件適用于制造IEC62326?4多層印制板時用以粘結IEC61249?2?7類型的層壓板，該材料可

用于粘結多層印制電路板。

本文件限定了粘結片的燃燒性（垂直燃燒試驗），其阻燃效果是通過聚合物型含溴阻燃劑實現(xiàn)的，

層壓后的玻璃化溫度不低于120℃。

2規(guī)范性引用文件

下列文件中的內容通過文中的規(guī)范性引用而構成本文件必不可少的條款。其中，注日期的引用文

件，僅該日期對應的版本適用于本文件；不注日期的引用文件，其最新版本（包括所有的修改單）適用于

本文件。

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GB/T4722—2017印制電路用剛性覆銅箔層壓板試驗方法

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