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S Sudarsono
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Fabrikasi Kanal Mikro pada Substrat Akrilik menggunakan Laser Cutting CO2 S Sudarsono; Gatut Yudoyono; F Faridawati; Hasto Sunarno; Nurrisma Puspitasari; Yono Hadi Pramono
Jurnal Fisika dan Aplikasinya Vol 14, No 3 (2018)
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat, LPPM-ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4077.209 KB) | DOI: 10.12962/j24604682.v14i3.3867

Abstract

Mesin pemotong CO2 Laser adalah alat yang digunakan dalam mengerjakan Cutting (Pemotongan) dan Engraving (Grafir) beberapa bahan seperti polimer, kaca, kertas, kain dan beberapa bahan non-logam. Laser mesin pemotong CO2 banyak digunakan untuk membuat dekorasi Interior dan eksterior di pabrik, rumah, gedung, toko, kantor, Showroom, outlet dan bangunan umum lainnya. Dalam penelitian ini akan dipelajari tentang pengaruh kecepatan pemotongan laser CO2 terhadap bentuk, lebar, dan kedalaman dalam pembuatan microchannel pandu gelombang opik pada PMMA. Hasil pabrikasi diamati menggunakan mikroskop optik serta perhitungan lebar dan kedalaman menggunakan mikrometer bergeser. Dari hasil observasi dan analisis fabrikasi, hasilnya menunjukkan bahwa semakin tinggi kecepatan laser CO2 semakin dangkal kedalaman yang dihasilkan. Dalam penelitian ini daya yang digunakan adalah 2.4W dan menghasilkan microchannel dengan kedalaman terkecil 190,91 μm dengan kecepatan laser 100 mm/s dan terbesar 604.17 μm dengan kecepatan laser 50 mm/s.
ANALISIS PENGARUH RASIO KEUANGAN, ECONOMIC VALUE ADDED (EVA) DAN MARKET VALUE ADDED (MVA) TERHADAP RETURN SAHAM INDUSTRI TELEKOMUNIKASI DI INDONESIA S Sudarsono
TEKUN: Jurnal Telaah Akuntansi dan Bisnis Vol 8, No 2 (2017)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/tekun.v8i2.5533

Abstract

Communication technology is always progressing increasingly over the years, the size of the potential market for the telecommunications industry in Indonesia make trading securities, especially shares in the telecommunications industry sectors which listed on the Indonesian Stock Exchange, become one of the profitable business for investors. Before investing, an investor needs to do the analysis to avoid investment failure. Some ways of analysis that can be used is by measuring the performance of the company using the financial ratios method, EVA, MVA and than connected them to predict the likelihood of return of shares to be invest. This study uses the data of annual financial statements published by the Telecommunications sector firms in the period 2008 to 2013, with a total population of six companies and using purposive sampling technique. Analysis technique used in this study was a multiple linear regression. The results indicate that financial ratios such as Earnings Per Share (EPS), Return on Assets (ROA), Debt to Equity Ratio (DER) and Market Value Added (MVA) has a significant effect on stock returns telecommunications sector listed on the IDX. While the Financial Ratios Return on Equity (ROE) and Economic Value Added (EVA) has no significant effect
Co-Authors F Faridawati Gatut Yudoyono Hasto Sunarno Nurrisma Puspitasari Yono Hadi Pramono