CN104894425A - 一种超极细银扁丝带及其制备方法 - Google Patents
一种超极细银扁丝带及其制备方法 Download PDFInfo
- Publication number
- CN104894425A CN104894425A CN201510278222.4A CN201510278222A CN104894425A CN 104894425 A CN104894425 A CN 104894425A CN 201510278222 A CN201510278222 A CN 201510278222A CN 104894425 A CN104894425 A CN 104894425A
- Authority
- CN
- China
- Prior art keywords
- silver
- parts
- raw material
- auxiliary material
- colored
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/42—Wire connectors; Manufacturing methods related thereto
- H01L24/43—Manufacturing methods
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/43—Manufacturing methods
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/44—Structure, shape, material or disposition of the wire connectors prior to the connecting process
- H01L2224/45—Structure, shape, material or disposition of the wire connectors prior to the connecting process of an individual wire connector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/44—Structure, shape, material or disposition of the wire connectors prior to the connecting process
- H01L2224/45—Structure, shape, material or disposition of the wire connectors prior to the connecting process of an individual wire connector
- H01L2224/45001—Core members of the connector
- H01L2224/4501—Shape
- H01L2224/45012—Cross-sectional shape
- H01L2224/45014—Ribbon connectors, e.g. rectangular cross-section
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/44—Structure, shape, material or disposition of the wire connectors prior to the connecting process
- H01L2224/45—Structure, shape, material or disposition of the wire connectors prior to the connecting process of an individual wire connector
- H01L2224/45001—Core members of the connector
- H01L2224/45099—Material
- H01L2224/451—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof
- H01L2224/45138—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
- H01L2224/45139—Silver (Ag) as principal constituent
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/00011—Not relevant to the scope of the group, the symbol of which is combined with the symbol of this group
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Metal Extraction Processes (AREA)
Abstract
一种超极细银扁丝带,涉及键合引线生产技术领域,主要由银和辅料制成,银与辅料的比例为99.99:0.01,辅料包括以下重量份的原料:铁1-3份、铜3-5份、锰1-3份、镁2-3份、铬1-4份、钛3-4份、铍2-5份、铝1-4份。本发明的有益效果是:本发明工艺流程简洁,原料配比合理,通过银与其他混合辅料进行合理配比后,通过科学有序的步骤进行加工,作出的键合丝不仅产品质量优,作出的细度更加细,适合现阶段电子行业的需求,适用于各种精密电子设备,使用效果好,便于推广及使用。
Description
技术领域
本发明涉及键合引线生产技术领域,具体涉及一种超极细银扁丝带及其制备方法。
背景技术
键合引线广泛用于LED、半导体集成电路上,如民用消费品IC:电脑,手机,电视机等芯片上。工业IC:大型服务器,电机,智能仪表仪器,储存器,医疗器械设备等芯片,及太阳能光伏,二极管三极管等电子封装。
随着市场和技术的发展,芯片功能不断增强,引线越来越多,而体积却越来越小,导致焊盘在整个芯片中所占的面积比不断上升,因此,研究超细间距键合技术是解决芯片小型化必须解决的一个关键技术,但是目前市场上生产的键合丝的性能还是相对比较差,而且其在制备的时候,所选用的配料也不合理,同时加工的方式欠缺,很容易造成引线不够均匀,使用效果并不明显,不能满足人们的需求。
发明内容:
本发明所要解决的技术问题在于提供一种配方配比合理,制备工艺简单方便的超极细银扁丝带及其制备方法。
本发明所要解决的技术问题采用以下技术方案来实现:
一种超极细银扁丝带,其特征在于:主要由银和辅料制成,所述的银与辅料的比例为99.99:0.01;
所述的辅料包括以下重量份的原料:铁1-3份、铜3-5份、锰1-3份、镁2-3份、铬1-4份、钛3-4份、铍2-5份、铝1-4份。
所述的辅料优选的重量份为:铁2份、铜4份、锰2份、镁2.5份、铬2.5份、钛3.5份、铍3.5份、铝2.5份。
本发明的另一个目的是提供一种制备本发明超极细银扁丝带的方法,其特征在于包括以下步骤:
a、选用一真空熔炉,将原料中的银放进真空熔炉内,调节炉内温度为700-1200℃,进行高温熔炼,在熔炼过程中,要冲入氮气和氩气加以保护;
b、待银完全熔炼后,将原料中辅料依次添加进入熔炉,控制转速为2500-3000r/min的速率进行高速搅拌,搅拌均匀后,静置45分钟;
c、将上述步骤b中的原料通过铸造模,铸造出直径为8mm的银棒材,然后自然冷却;
d、将8mm的银棒材用模具拉拔成粗3mm银丝材,将3mm粗银丝以500-900℃的高温退火65分钟,然后进行冷挤压8-10次后得到所需细度的银丝材;
e、将步骤d处理后的银丝以400-600℃的高温退火45分钟以消除加工应力,随炉冷却,然后冷拉至所需的直径;
f、将步骤e中的银丝经扁模心加工到所需的规格后,最后再自然冷却后即可制成超极细银扁丝带。
本发明的有益效果是:本发明工艺流程简洁,原料配比合理,通过银与其他混合辅料进行合理配比后,通过科学有序的步骤进行加工,作出的键合丝不仅产品质量优,作出的细度更加细,适合现阶段电子行业的需求,适用于各种精密电子设备,使用效果好,便于推广及使用。
具体实施方式
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解,下面结合具体实施例,进一步阐述本发明。
实施例1
称取99.99g的银和0.01g的辅料,(辅料按照铁1份、铜3份、锰1份、镁2份、铬1份、钛3份、铍2份、铝1份的组分进行配置),然后选用一真空熔炉,将原料中的银放进真空熔炉内,调节炉内温度为700℃,进行高温熔炼,在熔炼过程中,要冲入氮气和氩气加以保护;待银完全熔炼后,将原料中辅料依次添加进入熔炉,控制转速为2500r/min的速率进行高速搅拌,搅拌均匀后,静置45分钟后通过铸造模,铸造出直径为8mm的银棒材,然后自然冷却,再用模具拉拔成粗3mm银丝材,将3mm粗银丝以500℃的高温退火65分钟,然后进行冷挤压8-10次后得到所需细度的银丝材,银丝以400℃的高温退火45分钟以消除加工应力,随炉冷却,然后冷拉至所需的直径经扁模心加工到所需的规格后,最后再自然冷却后即可制成超极细银扁丝带。
实施例2
称取999.9g的银和0.1g的辅料,(辅料按照铁2份、铜4份、锰2份、镁2.5份、铬2.5份、钛3.5份、铍3.5份、铝2.5份的组分进行配置),然后选用一真空熔炉,将原料中的银放进真空熔炉内,调节炉内温度为950℃,进行高温熔炼、在熔炼过程中,要冲入氮气和氩气加以保护;待银完全熔炼后,将原料中辅料依次添加进入熔炉,控制转速为2750r/min的速率进行高速搅拌,搅拌均匀后,静置45分钟后通过铸造模,铸造出直径为8mm的银棒材,然后自然冷却,再用模具拉拔成粗3mm银丝材,将3mm粗银丝以750℃的高温退火65分钟,然后进行冷挤压8-10次后得到所需细度的银丝材,银丝以500℃的高温退火45分钟以消除加工应力,随炉冷却,然后冷拉至所需的直径经扁模心加工到所需的规格后,最后再自然冷却后即可制成超极细银扁丝带。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。
Claims (3)
1.一种超极细银扁丝带,其特征在于:主要由银和辅料制成,所述的银与辅料的比例为99.99:0.01;
所述的辅料包括以下重量份的原料:铁1-3份、铜3-5份、锰1-3份、镁2-3份、铬1-4份、钛3-4份、铍2-5份、铝1-4份。
2.根据权利要求1所述的一种超极细银扁丝带,其特征在于,所述的辅料优选的重量份为:铁2份、铜4份、锰2份、镁2.5份、铬2.5份、钛3.5份、铍3.5份、铝2.5份。
3.一种制备本发明一种超极细银扁丝带的方法,其特征在于,包括以下步骤:
a、选用一真空熔炉,将原料中的银放进真空熔炉内,调节炉内温度为700-1200℃,进行高温熔炼,在熔炼过程中,要冲入氮气和氩气加以保护;
b、待银完全熔炼后,将原料中辅料依次添加进入熔炉,控制转速为2500-3000r/min的速率进行高速搅拌,搅拌均匀后,静置45分钟;
c、将上述步骤b中的原料通过铸造模,铸造出直径为8mm的银棒材,然后自然冷却;
d、将8mm的银棒材用模具拉拔成粗3mm银丝材,将3mm粗银丝以500-900℃的高温退火65分钟,然后进行冷挤压8-10次后得到所需细度的银丝材;
e、将步骤d处理后的银丝以400-600℃的高温退火45分钟以消除加工应力,随炉冷却,然后冷拉至所需的直径;
f、将步骤e中的银丝经扁模心加工到所需的规格后,最后再自然冷却后即可制成超极细银扁丝带。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510278222.4A CN104894425A (zh) | 2015-05-27 | 2015-05-27 | 一种超极细银扁丝带及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510278222.4A CN104894425A (zh) | 2015-05-27 | 2015-05-27 | 一种超极细银扁丝带及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN104894425A true CN104894425A (zh) | 2015-09-09 |
Family
ID=54027375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510278222.4A Pending CN104894425A (zh) | 2015-05-27 | 2015-05-27 | 一种超极细银扁丝带及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104894425A (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107653400A (zh) * | 2017-09-05 | 2018-02-02 | 钱友静 | 一种用于书画表面装饰的银箔 |
CN110791675A (zh) * | 2019-12-18 | 2020-02-14 | 苏州金江铜业有限公司 | 一种含铝的银镁合金材料及其制备方法 |
CN111411253A (zh) * | 2020-04-14 | 2020-07-14 | 紫金矿业集团黄金冶炼有限公司 | 一种高纯银铜合金异型丝材的制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001176912A (ja) * | 1999-12-16 | 2001-06-29 | Noge Denki Kogyo:Kk | 金被覆した銀線ボンディングワイヤ |
US20100239456A1 (en) * | 2009-03-23 | 2010-09-23 | Lee Jun-Der | Composite alloy bonding wire and manufacturing method thereof |
CN102214630A (zh) * | 2011-05-18 | 2011-10-12 | 苏州衡业新材料科技有限公司 | 银基微合金键合丝及其制备方法 |
CN103614588A (zh) * | 2013-11-19 | 2014-03-05 | 苏州衡业新材料科技有限公司 | 银及银合金微细线的制备方法 |
-
2015
- 2015-05-27 CN CN201510278222.4A patent/CN104894425A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001176912A (ja) * | 1999-12-16 | 2001-06-29 | Noge Denki Kogyo:Kk | 金被覆した銀線ボンディングワイヤ |
US20100239456A1 (en) * | 2009-03-23 | 2010-09-23 | Lee Jun-Der | Composite alloy bonding wire and manufacturing method thereof |
CN102214630A (zh) * | 2011-05-18 | 2011-10-12 | 苏州衡业新材料科技有限公司 | 银基微合金键合丝及其制备方法 |
CN103614588A (zh) * | 2013-11-19 | 2014-03-05 | 苏州衡业新材料科技有限公司 | 银及银合金微细线的制备方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107653400A (zh) * | 2017-09-05 | 2018-02-02 | 钱友静 | 一种用于书画表面装饰的银箔 |
CN110791675A (zh) * | 2019-12-18 | 2020-02-14 | 苏州金江铜业有限公司 | 一种含铝的银镁合金材料及其制备方法 |
CN111411253A (zh) * | 2020-04-14 | 2020-07-14 | 紫金矿业集团黄金冶炼有限公司 | 一种高纯银铜合金异型丝材的制备方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105002391A (zh) | 一种超极细黄金扁丝带及其制备方法 | |
CN104388861B (zh) | 一种多晶串联led用微细银金合金键合线的制造方法 | |
CN111485131B (zh) | 一种键合金丝及其制备方法 | |
CN103194637B (zh) | 一种键合合金银丝及制备方法 | |
CN111254311B (zh) | 一种可拉丝加工至φ6微米的4N键合金丝及其制备方法 | |
CN104894425A (zh) | 一种超极细银扁丝带及其制备方法 | |
CN100394592C (zh) | 一种键合金丝及其制造方法 | |
CN102776405A (zh) | 一种键合金银合金丝的制备方法 | |
CN105463237A (zh) | 一种铜银合金键合丝及其制备方法 | |
CN103014401B (zh) | 一种金合金及其制备方法 | |
CN109767991A (zh) | 一种高金合金键合丝的制备方法 | |
CN106992164A (zh) | 一种微电子封装用铜合金单晶键合丝及其制备方法 | |
CN104894440A (zh) | 一种超极细硅铝扁丝带及其制备方法 | |
CN104992937A (zh) | 一种超极细单晶铜扁丝带及其制备方法 | |
CN105543532A (zh) | 一种极微细键合混合合金丝及其制作方法 | |
CN108754196B (zh) | 一种键合用铝基合金母线的制备方法 | |
CN106298720A (zh) | 一种低成本封装键合用银合金丝及其制备方法 | |
CN105390404B (zh) | 银基键合丝的制备方法 | |
CN103834832B (zh) | 仿金色键合合金丝及其制备方法 | |
CN105950895B (zh) | 一种小晶片led封装用微细银合金键合线的制造方法 | |
CN104988348A (zh) | 一种超极细铂铑扁丝带及其制备方法 | |
CN107316854A (zh) | 一种金、银和钯的合金键合线及其制备方法 | |
CN109055800A (zh) | 一种键合金线及其制备方法 | |
CN108118176A (zh) | 一种高速铁路接触线用铜基非晶合金及其制备工艺 | |
CN103122421A (zh) | 一种封装用高性能键合金丝的制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150909 |