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Linchuan Precision specializes in the production and development of SMT steel mesh
Focus on improving the pass through rate for SMT Enterprises
Lower production cost
0755-29749682
18928403435
Focus on Improving Direct Pass Rate for SMT Enterprises
Lower production cost
SMT
Your present position:Home / SMT / Stepped steel mesh
  • 階梯鋼網(wǎng)工藝
  • 階梯鋼網(wǎng)工藝
階梯鋼網(wǎng)工藝
        階梯鋼網(wǎng)工藝是用蝕刻和激光工藝相結(jié)合而產(chǎn)生鋼材表面階梯的一種工藝。階梯鋼網(wǎng)能幫助SMT貼片印刷工序準(zhǔn)確控制各元件的錫膏用量,從而減少虛焊、空焊、焊而不牢等不良;減少補(bǔ)焊工序,提高直通率,讓加工出來的PCBA干干凈凈。
Order Hotline:18928403435
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  根據(jù)對PCBA焊接問題的統(tǒng)計(jì)分析,0.635mm以下間距的QFP/SOP等密腳元器件的橋連和電源模塊、變壓器、共模電感、連接器等元器件的開焊和虛焊名列前五大缺陷。

錫太厚太多連錫        元件腳錫厚度不足少錫
元件腳錫太厚橋連                                  元件腳錫厚度不足少錫

  0.635mm及以下間距的QFP/SOP等密腳元器件的橋連,主要是因?yàn)橛∷⒌暮父噙^厚,而電源模塊、變壓器、共模電感、連接器等元器件的開焊,則是因?yàn)橛∷⒌暮父嗪穸炔蛔恪<械揭稽c(diǎn)就是焊膏印刷厚度或量不合適。在同一塊PCBA上,能夠兼顧各種封裝對焊膏厚度不同需求的最簡單的工藝方法就是采用階梯鋼網(wǎng)。

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Linchuan Precision specializes in the production and development of SMT steel mesh
serving over 3,000 customers in 7 years
producing over 200,000 high-quality steel meshes.
Service hotline:0755-29749682/18928403435
Shenzhen Linchuan Precision Technology Co., Ltd.
Tel:0755-29749682  18928403435
E-mail:xjx.smt@163.com
Customer service QQ:254259787     591431201
Company Address: 2/F, Block C, Fengrun Building, Huafeng Second Industrial Park, Gushu, Xixiang, Bao'an District, Shenzhen
粵ICP備17051183號

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