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All Journal JTSL (Jurnal Tanah dan Sumberdaya Lahan) JURNAL INTEGRASI Edukasi Islami: Jurnal Pendidikan Islam JURNAL PENDIDIKAN TAMBUSAI Jurnal Teras Fisika : Teori, Modeling, dan Aplikasi Fisika Jurnal Teknologi dan Riset Terapan (JATRA) Journal of Applied Electrical Engineering Coution : Journal of Counseling and Education ABDI NUSANTARA: Jurnal Pengabdian Kepada Masyarakat
Budiana, Budiana
Politeknik Negeri Batam
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REDUCTION OF LIFTED STITCH DEFECTS IN WIRE BONDING PROCESS THROUGH ROOT CAUSE ANALYSIS Puspita, Widya Rika; Manurung, Anjunius; budiana, Budiana; Nur Sakinah Asaad; Jefiza, Adlian; Nakul, Fitriyanti; Putra, Irwanto Zarma; Diputra, Muhammad Naufal Airlangga; Illa Aryeni; Handri Toar; Anggraini, Ria
Jurnal Teknologi Dan Riset Terapan (JATRA) Vol. 7 No. 2 (2025): Jurnal Teknologi dan Riset Terapan (JATRA) - December 2025
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jatra.v7i2.9604

Abstract

Reliable connection inspection is crucial for the quality of semiconductor products. A frequent issue is stitch defects during wire bonding. To address this, an investigation was conducted using flow charts. Additionally, an analysis was performed by identifying root causes using the Fishbone Diagram method and the 5 Whys technique. After improvements, including targeted operator training, a significant reduction of 96.75% in stitch defects was achieved. This study demonstrates that the combination of root cause analysis methods and operator training effectively enhances the reliability of the wire bonding process and the quality of semiconductor products. This study did not account for environmental factors that might influence the wire bonding process, such as temperature and humidity variations. Therefore, the findings may be limited in settings with different environmental conditions.
ANALYSIS OF MINERALOGICAL COMPOSITION OF SOIL AND LAEVISTROMBUS CANARIUM FOR SUSTAINABLE AGRICULTURE  ON BATAM ISLAND Budiana, Budiana; Fahruzi, Iman; Mutialif Maulidiah, Hana; Mishthafiyatillah , Mishthafiyatillah; Dwijotomo, Abdurahman; Kaisar Wisnu Kita, Lalu; Gustin, Oktavianto; Fitriana, Fitriana; Hartanti, Tri; Kharisma Nugraha, Tegar
JTSL (Jurnal Tanah dan Sumberdaya Lahan) Vol. 13 No. 2 (2026)
Publisher : Departemen Tanah, Fakultas Bio-industri Pertanian dan Kehutanan, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2026.013.2.20

Abstract

Research on the identification of soil composition and Laevistrombus canarium (Gonggong) composition has been successfully conducted. Identification testing for all samples was performed using XRD and XRF. Diffraction data analysis was carried out using match!2 software and quantitative analysis was conducted using Rietveld refinement. The study found that, using XRF, the main soil constituent is Si and the main Gonggong constituent is Ca. The phases identified using Match!2 software in the soil samples were Quartz, Osumilete and Biotite. Furthermore, the phase identified in the Gonggong sample was CaCO3 single phase. Finally, the study found that the soil tested lacked macronutrients, such as N, needed for plants to grow well. To obtain these macronutrients, Laevistrombus canarium (Gonggong) has potential as an additional soil amendment to improve soil fertility. The implication is that the land in Batam has the potential for sustainable agriculture.
Analisis pengaruh inhibitor alami (ekstrak ampas kopi dan ampas kopi) terhadap laju korosi pada permukaan besi S45C berbasis citra gambar Muhammad Ilyas; Muhammad Nasir; Hari Mukti; M. Padli Sandi; Budiana Budiana
Jurnal Teras Fisika: Teori, Modeling, dan Aplikasi Fisika Vol 9 No 1 (2026): Jurnal Teras Fisika: Teori, Modeling, dan Aplikasi Fisika
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jtf.2026.9.1.15605

Abstract

Logam merupakan jenis material yang sering digunakan untuk bahan konstruksi bangunan, perkapalan dan komponen elektronika. Salah satu bahan logam yang banyak digunakan adalah besi S45C. Besi S45C memiliki kekuatan yang cukup baik (570 – 700 MPa) dan tahan lama. Namun, besi ini mudah mengalami korosi. Berdasarkan hal tersebut, diperlukan zat yang dapat menghambat laju korosi yang biasa disebut dengan inhibitor. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh penggunaan ampas kopi dan ekstrak amaps kopi terhadap laju korosi pada besi S45C dengan menggunakan teknologi citra. Hasil penelitian menunjukan bahwa teknologi citra berhasil melakukan identifikasi luas korosi pada permukaan sampel besi S45C. Rata-rata laju korosi untuk sampel tanpa inhibitor bernilai 0,296 cm2/jam, rata-rata laju korosi untuk sampel ekstrak ampas kopi bernilai 0,086 cm2/jam dan rata-rata laju korosi untuk sampel ampas kopi bernilai 0,0795 cm2/jam. Dengan nilai rata-rata laju korosi tersebut terlihat bahwa penggunaan ampas kopi dan ekstrak ampas kopi dapat menurunkan laju korosi pada besi S45C.
Co-Authors Abdullah Sani Abdurahman Dwijotomo Abidin, M. Adlian Jefiza Anas Nasrudin Assegaf, Iqchan Darmoyono, Aditya Gautama Diono, Diono Eka Mutia Lubis Fandy Bestario Harlan Fitriana Fitriana Fitriyanti Nakul Futra, Asrizal Deri Gusnam, Mu'thiana Handri Toar Hari Mukti Hasnira Hasnira Ika Karlina Laila Nur Suciningtyas Illa Aryeni Iman Fahruzi Irwanto Zarma Putra Kamarudin Kamarudin Kharisma Nugraha, Tegar Lalu Kaisar Wisnu Kita M. Padli Sandi Mahdaliza, Rahmi Manurung, Anjunius Marpaung, Roy Hitmen Maulidah, Hana Mutialif Maulidiah, Hana Mutialif Mishthafiyatillah , Mishthafiyatillah Mishthafiyatillah, Mishthafiyatillah Mohamad Alif Dzulfiqar Muhammad Arifin Muhammad Ilyas Muhammad Nasir Muhammad Naufal Airlangga Diputra Mutialif Maulidiah, Hana Muzhirul, Akhmad Nadhrah Wivanius, Nadhrah Noviana, Febi Nur Sakinah Asaad Nurhakim, Muhamad Syara Oktani, Dessy Oktavianto Gustin Putri, Sarah Athaullah Wenna RIA ANGGRAINI Ririn Humaera Risandriya, Sumantri Kurniawan Riyani, Ade Saputra, Wandi Silitonga, Ricky Simanjuntak, Frisca Tryandayani Siregar, Lindawani Situmorang, Choklin Brema Sujatnika, Dadang Ahmad Tri Hartanti, Tri Wicaksono, Muhammad Jaka Wimbang Widya Rika Puspita